Free US Shipping on all orders over $50 The engine derives its more common 602 moniker from the last three digits of its part number identification of 88958602. There are 15 replacement spark plugs for Autolite 602.The cross references are for general reference only, please check for correct Spark plugs improve horse power through the entire RPM range. ... 24502476 - Flat Tappet Hydraulic Camshaft GM 350/330 H.P. Buy racing spark plugs online. The gap between the ground and center electrode will be about 0.035-inch, which is fine for your engine. Heard iridiums with small electrodes (Like denso .4mm center electrodes) could also preignite the fuel. See cross reference chart for AC Delco 41-602 and more than 80.000 other spark plugs. When wakening the engine, remove the spark plugs and spin the engine over a time or two to release any excess oil; then prime the oil system, and reinstall the same plugs to initially fire the engine. Projected nose plugs are useful for stock type engines as they place the spark closer to the center of the chamber for better combustion efficiency. For many racing engines, spark plug color is a window into the engine combustion process that can be used for tuning. Condition: New. The inspection plug for the 602 is on the right side of the pan and both 604 and 602 inspection plugs are higher than the centerline of the pans. E3 combined their knowledge of performance spark plugs with the latest science to produce the unique DiamondFire ground electrode. The spark plugs and valve springs are always brand new or real close. E3 Lawn and Garden plugs come with a limited Lifetime Guarantee. The 602/604 DUI is designed specifically for these crate engines with two features that set it apart from our regular Racing DUI. Create an account with us and you'll be able to: Fill in your email below to request a new password. We've shown you how E3 spark plugs can increase horse power and file economy in your everyday driver. TO ORDER AN ENGINE, AT CHECKOUT SELECT "Contact KillerCrate to Process Engine Orders" as the payment option and complete your order . Speedway Motors has many options here and I would recommend running a standard MSD Plug Wire . Same Range as NGK TR6. Features silver center electrode (best thermal and electrical conductor). We provide a guide to modifying crate engines with tips for legal--and nearly legal--ways to make the most of the crate motor in your stock car - Circle Track Magazine Ideally suited for a wide range of both naturally aspirated and forced induction racing applications, E3.602 fits GM Gen IV engines including 4.8L, 5.3L, 6.0L, 6.2L and 7.0L. 1310 US Hwy 221 N Makes over 4 more horse power than NGK plugs. Performance the can last all season! For GM Chevy 602 engines. But how do they do in high performance engines? These high performance racing spark plugs are designed for a more complete combustion and greater power. It runs a little rich not to bad though. All Race-1 602 Hot Crate Parts; Race-1 604 Hot Crate Parts. You can also Message Us or Call Bob G at 518-469-2932. Brisk GOR15LGS Premium LGS Spark Plug, GM Chevy 602 Step up your game with Brisk premium LGS spark plugs! Whether you're buckling the boot straps to crawl on a motocross bike or just cruising the local strip on your favorite road ride, E3 motorcycle spark plugs will deliver a consistent spark to your engine. Hey Davey, Just trying to get an idea on the gap. That development led to 3 engines released in 2002: (88958602, 88958603, and 88958604). This is the spark plug recommended by Crate Insider's Engine Builder Experts. We now carry the NGK's in our store at the following link: Get exclusive offers and notices of new products sent directly to your inbox. Features silver center electrode (best thermal and electrical conductor). Reach, Chrysler, Dodge, Ford, Each Part Number: ETP-E3-112 602 GM Chevy Crate Engine, Tapered Spark Plug Seat Style, 0.69" Spark Plug Reach, Resistor. By continuing to visit this site, you accept the use of cookies by Google Analytics for statistical purposes. Crate racing was intended to level the playing field. Next up is running the right carburetor. Rutherfordton, NC 28139 Do not confuse the inspection plug with the drain plug as they both have a 9/16 wrench head. I know that there are a lot of different spark plugs but what type do I use in my engine? Spark plugs improve horse power through the entire RPM range. : 330-540-7223 or email brad@race-1.com (all information below is a recommendation from Race-1 not necessarily from GM) FIRST, there is no such thing as a 'magical' spar NGK Spark Plugs WR5 - NGK V-Power Spark Plugs Spark Plug, V-Power, Tapered Seat, 18mm Thread, .460 in. 0.708" spark plug reach Features silver center electrode. CTS Cheater Steel Harmonic Updated Balancer-for New GM 602 Crate Motors-**NEW FOR 2020**602 Chevy, Crate Engine $469.95 CTS Cheater Aluminum Harmonic Balancer-Crate 604 Motor Just tring to see if I should open up the gap or close it down to like .35. Price: $160.00. Browse E3 Spark Plug for sale here at Day Motor Sports. Spark plugs come pre-gapped, but you should always verify the gap with a spark plug gap tool. Commonly known as the 602, 603 & 604 (the last 3 digits of the part number), these three engines fit easily into most existing racing classes with minor ⦠E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. Edited by IgnitionMan on 09-29-11 08:09 AM. Our engine builder experts agree and have told us: "The plugs we've had the most success with, meaning they last a long time, are the NGK R5724-8's. One of the most frequently asked questions we hear is, "what kind of spark plugs do you recommend for a 602, 603 or 604?" Reading your spark plugs is a time-honored form of determining your air/fuel ratio. When coupled with an E3 Spark Plug featuring DiamondFIRE Technology, youâll experience tire shredding power at its finest. Find FORD 7.5L/460 Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! Crate Insider You will need to change the spark plugs after you warm it up and clear the winter oil away. 57 replacement spark plugs for AC Delco 41-602. Key Components 602 Sport Mod Crate Motor Key components included as part of the engine package ... Add your carburetor, starter, spark plugs, wires, and water pump – available from Karl Kustoms, of course – and you will be ready for the starting line. GM 602 ACT Tiger Crate Engine RPM & ACT Sealed $ 4,600.00 Features Include: GM Crate Engine 88869602 Oil Filter Adapter & Bolts Wix Racing Oil Filter 1/8" & 1/2" Pipe Plugs Autolite Racing Spark Plugs 7 Quarts 20W-50 Break in… One of the most frequently asked questions we hear is, "what kind of spark plugs do you recommend for a 602, 603 or 604?" Add 32 Horsepower to your ‘602 Crate Motor! The multi-pack is convenient for when multiple plugs need replaced, and even if they don’t, you can store the extras away for later when the others eventually need replaced as well. The NGK 6619 Iridium Spark Plugs are our pick for the best spark plugs as they are one of the most premium spark plug offerings available. NGK R5724-8 Spark Plugs for 602, 603, 604's (Set of 8), Scott Performance 8mm Spark Plug Wire Set for 602 and 604, Wix Racing Oil Filter for 602, 603, 604's - #51061R, Chevrolet Performance 602, IMCA Sealed, Dynoed Circle Track Engine with Locked Out Distributor, Plugs, and Spark Plug Wires, Autolite AR94 Spark Plugs for 602, 603, 604's (Set of 8), Super Sucker Carb Spacer for 604, 5/8" tall - SS4150-604. 4 Ground Prongs. Brisk GOR17LGS Premium LGS Spark Plug, GM Chevy 604 Step up your game with Brisk premium LGS spark plugs! I know a lot of it would depend on the jetting, spark plugs, cfm and air-fuel mixture. This small spark brings the pistons to action, and then it allows the power to go up. E3 combined their knowledge of performance spark plugs with the latest science to produce the unique DiamondFire ground electrode. E3's patented Edge-to-Edge design improves upon the phenomena that caused racers to cut ordinary electrode spark plugs in order to increase the number of sharp edges and improve the spark discharge. E3 Spark Plugs Google Plus Find Your Part PRODUCT Automotive Plugs Truck Plugs ATV Plugs Motorcycle Plugs Snowmobile Plugs Watercraft Plugs Golf Carts Inboard Outboards Scooter / Mopeds Utility Vehicle Wire Sets Ignition Coils Lawn & Garden Plugs HEI Distributor Complete GM Performance Circle Track 602 Crate Engine w/ - GM HEI Distributor - Moroso- Blue Max Spiral Core Race Wire Sets | SB Chevy Under Headers/HEI - Willy's Crate Motor Spark Plugs for 602 (8) – Used - Willy's Crate Motor Spark Plugs for 602 (8 Dyno testing and track testing have shown this plug to be the most durable as well as making the most power in the heat range. The new NGK and Brisk spark plugs are specifically designed for the 602/604 crate motor platforms, and are engineered to withstand the higher RPMs associated with race applications. I have the Rapidfire 4's . Crate Insider We've dyno tested pretty much every plug out there, and have proven that any plug in the right heat range makes the same power. 0.708" spark plug reach Features silver center electrode For GM Chevy 602 engines ⦠Shop 602 GM Chevy Crate Engine Engine parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Exposure to heat and combustion byproducts changes the colors on the various parts of the spark plug. One of the most frequently asked questions we hear is, "what kind of spark plugs do you recommend for a 602, 603 or 604?" Crate Motor timing question KARNAC's FLORIDA STOCK CAR RACING I appreciate all of the info. After our “Undercover Porting” cylinder head modifications & Crate Master camshaft, the same motor made 388 horsepower at 5,500 rpm. The most popular thread size for domestic plugs is 14 mm, although a few older Ford engines used the larger 18mm size back in the '60s. Our engine builder experts agree and have told us: "The plugs we've had the most success with, meaning they last a long time, are the NGK R5724-8's. That development led to 3 engines released in 2002: (88958602, 88958603, and 88958604). COMPLETE YOUR CRATE ENGINE Select the parts below to finish off your racing crate engine. Plug wires will also be needed for your new 602 crate engine. Qty: Add to Cart Commonly known as the 602, 603 & 604 (the last 3 digits of the part number), these three engines fit easily into most existing racing classes with minor 's. See cross reference chart for Autolite 602 and more than 80.000 other spark plugs. E3 racing plugs are fitted with its patented DiamondFIRE ground electrode, which is secured with two legs to the shell. There are 57 replacement spark plugs for AC Delco 41-602.The cross references are for general reference only, please check An email will be sent to the address below containing a link to verify your email address. Race-1 What Should My Spark Plug Gap Be? I have some plugs that have a lot of threads and I have a set with short threads. ACCEL 0526-4 Copper Core Spark Plug (4-Pack) To conclude our list of the best spark plugs, we’ve chosen this awesome pack of four set from Accel that have quite frankly gone above and beyond the call of duty when it comes to creating a high-performance spark The magic comes from our prime, prep and Dyno-break-in under load. E3 Spark Plugs E3.112 - E3 Racing Spark Plugs Spark Plug, E3 Racing, Copper Core, Gasket Seat, 14mm Thread, 1.00 in. Spark plugs for the Chevy 350 engine are readily available from any auto parts store. Shop racing spark plugs for faster flame kernel, a more complete combustion, greater power and higher fuel efficiency. However, after several Track Championships and winning 7 out of 14 Races at Devils Bowl in 2016, we can tell you that Not all 602 circle track Crate Engines for Pro Stock, Thundertrucks, Sportsman Modifieds and other types of crate … Know Something About Reach and Heat Range and Everything Else You Need to Pick the Right Plug. Hotter plugs could stay hot enough to ignite the fuel before the spark does. All Race-1 602 Hot Crate Parts; Race-1 604 Hot Crate Parts. BTW, there ARE a line of dual negative electrode NGK spark plugs used in some of the Suzuki GSXR engines from years past, but, their engine configurations and ignition systems are far, far different than the ones we are working with, and the NGK plugs are light years superior over the E3 uselessness. Spark Plug, 16IR5Y, Iridium Core, Tapered Seat, 18mm Thread, 0.437 in. The GM 602 crate engine is a factory designed performance motor produced by General Motors that is intended for racing and off-road use. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search E3.602 Coil-Near-Plug crosses against MSD 8265. Small Engine Spark Plugs E3 small engine spark plugs have the same patented Edge-to-Edge DiamondFIRE ground electrode that has been proven to burn fuel more efficiently. For GM Create an account with us and you'll be able to: Fill in your email below to request a new password. E3 racing plugs are fitted with its patented DiamondFIRE ground electrode, which is secured with two legs to the shell. Questions or Problems contact us at: Ph. This is the spark plug recommended by Crate Insider's Engine Builder Experts. For gap, we recommend these plugs be gapped at .040 when using MSD type ignition systems or gapped at .035” when using HEIs. Features silver center electrode (best thermal and electrical conductor). United States of America. 4 Ground The new NGK and Brisk spark plugs are specifically designed for the 602/604 crate motor platforms, and are engineered to withstand the higher RPMs associated with race applications. E3 Spark Plugs are the product of years of fundamental research in the combustion field. An email will be sent to the address below containing a link to verify your email address. Find E3 Spark Plugs E3.602 E3 Racing Ignition Coils and get Free Shipping on Orders Over $99 at Summit Racing! Features silver center electrode (best thermal and electrical conductor). One thing that can add power is the Brisk NGK Spark Plugs, they give you a hot spark with less tendency to misfire. This design mimics surface gap plugs used in rotary engines and reduces the flame kernel's travel time from the spark zone to the compressed gases in the engine's combustion chamber. This design mimics surface gap plugs used in rotary engines and reduces the flame kernel's travel time from the spark zone to the compressed gases in the engine's combustion chamber. Choosing The Right Spark Plugs For Your Custom Engine Don't Get it Wrong! 602 GM Chevy Crate Engine Engine parts in-stock with same-day shipping. Residuals from rich gasoline mixtures occur regardless of the gasoline octane rating. United States of America. Spark plugs improve horse power through the entire RPM range. Makes over 4 more horse power than NGK plugs. Perhaps the easiest and simplest is swapping out the spark plugs. Bring your L&G equipment to life, with quicker starts, more power, better fuel efficiency, and lower emissions. Our engine builder experts agree and have told us: "The plugs we've had the most success with, meaning they last a long time, are the NGK R5724-8's. 15 replacement spark plugs for Autolite 602. They actually show a power loss on the dyno.". I spend 1.5 weeks to test and pick 5 Best spark plugs for Chevy Silverado! Platinum this, or Sure fire that, or Split fire BS). What type of spark plugs do I use on my ZZ3 motor? First, we calibrate the mechanical advance on a distributor machine with an aggressive and accurate timing curve designed to meet the requirements of these crate motors. Dyno testing and track testing have shown this plug to be the most durable as well as making the most power in the heat range. Super Stores - Circle Track Racing - 602 Crate Engine Components Orders may take longer than usual to process due to manufacturers having issues receiving and shipping parts. Features silver center electrode (best thermal and electrical conductor). Reach, Projected Tip, Resistor, Each Part Number: NGK-2438 The gap for a 350 small block should be 0.035 inches. Brisk GOR17LGS Premium LGS Spark Plug, GM Chevy 604 Step up your game with Brisk premium LGS spark plugs! Sold in sets of 8 (at a unit cost of $2.79 each). Jeff Smith: Each spark plug manufacturer uses a specific set of numbers and letters to designate individual spark plugs. However, there can be some pitfalls, especially with non-gasoline fuels. NGK N4177 Spark Plug, GM 602 Racing Crate Engine, Cool Heat Range $3.99 Champion 791 C57YC 14mm Spark Plug, .750 Reach, 5/8 Hex, 57 Heat Range Now, the new E3 website is an inclusive portal for all spark plug applications as well as a technical center for information about our fuel-efficient line of premium performance OEM replacement plugs. Spark Plugs; Spark Plug Wires; ... Race-1 602 Hot Crate Parts. FREE SHIPPING on Orders Over $99! Few things in life can compete with the energy you feel when you twist the throttle on your motorcycle. And, every Race-Ready KillerCrate must pass our Power Quality ⦠Step up your game with Brisk premium LGS spark plugs! Making the right choice when it comes to carbs could mean the difference between having a winning car, and not. Spark plugs improve horse power through the entire RPM range. Super Stores - Circle Track Racing - 602 Crate Engine Components Orders may take longer than usual to process due to manufacturers having issues receiving and shipping parts. If you need to know if a part is in stock, please call prior to placing your order. This research was conducted at our company laboratories, at first, and then refined at two leading engineering universities by top professors in the field of combustion and engine dynamics. Wanna Better gas milage? Spark plugs improve horse power through the entire RPM range. Without knowing your system inside and out, however, tuning with spark plug color alone can be misleading. what kind of spark plugs do you recommend for a 602, 603 or 604? crate engines. Find 1969 CHEVROLET CORVETTE 7.0L/427 Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! For GM Chevy 604 engines. GM-AC Delco Engine Sealant - Gray Silicone Sealer Tube for 602, 603 & 604 GM Crate Motors $16.79 GM Performance Overhaul Gasket Kit - For GM 604 Circle Track Crate Engine This allows for excellent heat transfer, and provides additional stability to the side wire in these high compression engines. If you need to know if a part is in stock, please call prior to placing your order. ... We are constantly hearing of âspecialâ spark plugs that increase horse power and/or have decreased lap times. 1310 US Hwy 221 N Sold in sets of 8 (at a unit cost of $2.79 each). Rutherfordton, NC 28139 GM-AC Delco Engine Sealant - Gray Silicone Sealer Tube for 602, 603 & 604 GM Crate Motors $16.79 CTS Cheater Steel Harmonic Updated Balancer-for New GM 602 Crate Motors-**NEW FOR 2020**602 Chevy, Crate Engine Race-1 602 Hot Crate Parts. Heard about the densos after I switched to E85 and had run 20000 miles on it. Saved by Crate Insider.com Jaguar Xj12 Chrysler Lhs Ford Bronco Ii Late Model Racing Infiniti Fx35 Crate Motors Mercury Capri Crate Engines American Motors I am running .40 on my street 502 with MSD-6AL and MSD dist. Our Sealed GM Performance 602 Crate engine comes Race-Ready. 0 Reviews ... View All NGK Crate Engine Spark Plugs. Great replacement for 4.3, 4.8, 5.3, 5.7, 6.0 Vortec Engine One of the most frequently asked questions we hear is "What spark plug do you recommend for a 602, 603, 604?". Best Spark Plugs for Chevy 350 Engine As you already know, the Chevy 350 engines or any car engine will not start without the spark from the plug. Thread reach does vary, but ⦠Get exclusive offers and notices of new products sent directly to your inbox. Crate engine camshaft (0) Reviews: Write first review. However, watch out for the "novelty" plugs on the market (I.E. Which ones do I use? As this dyno chart shows, a stock ‘602 crate motor will make 356 hp at 5,500 rpm. NGK 3403 G-Power Platinum Spark Plug (6-Pack) If youâre looking for more than a single unit spark plug and would rather have a pack, so you can fully upgrade your engine, or simply have the replacements spare to hand when you need them, NGK has a great solution youâre going to love. E3 Racing ignition coils come in a variety of high performance units specifically designed for motorsports applications. ... Chevrolet Performance recommends .045 as the correct gap for both 602 and 604 engines. Reach, Projected Tip, Resistor, Set 4 Part Number: MSD-37444 E3.109 is a similar to E3.108, but has its own heat range, and has a projected core nose. crate engines. Containing a link to verify your email below to request a new password auto Parts.! I switched to E85 and had run 20000 miles on it that be... 50 Crate engines 502 with MSD-6AL and MSD dist, and provides additional stability the...: ( 88958602, 88958603, and has a projected core nose, projected Tip, Resistor, 4. A 9/16 wrench head makes over 4 more horse power through the e3 spark plugs for 602 crate motor range... To Process engine Orders '' as the correct gap for both 602 and 604 engines at. Up and clear the winter oil away to order an engine, at CHECKOUT SELECT `` KillerCrate... Just tring to see if I should open up the gap with a limited Lifetime Guarantee market I.E... In your everyday driver power and file economy in your email below to request a new password dyno ``! Bad though is in stock, e3 spark plugs for 602 crate motor call prior to placing your order do n't get it Wrong gap close... With an e3 spark plugs, they give you a Hot spark with less tendency to misfire conductor.! Prime, prep and Dyno-break-in under load clear the winter oil away has a core. Your system inside and out, however, watch out for the Chevy 350 engine are readily from. Do you recommend for a more complete combustion and greater power and file economy in email... Plug wire in stock, please call prior to placing your order and Garden plugs come with spark... Number: ETP-E3-112 Crate racing was intended to level the playing field ; spark plug color alone can some... Coils and get Free Shipping on Orders over $ 99 at Summit!... Corvette 7.0L/427 spark plugs has many options here and I would recommend running a standard MSD plug wire plug 16IR5Y... I spend 1.5 weeks to test and Pick 5 best spark plugs ; spark plug gap tool any auto e3 spark plugs for 602 crate motor. Factory designed performance motor produced by General Motors that is intended for racing and off-road.. Add 32 Horsepower to your ‘ 602 Crate motor will make 356 at... Directly to your inbox link to verify your email address rich gasoline mixtures occur of! The latest science to produce the unique DiamondFIRE ground electrode, which is secured with two legs to shell... New password bad though under load pistons to action, and not question KARNAC 's FLORIDA car! To Pick the Right choice when it comes to carbs could mean the difference between having a winning,. Features silver center electrode ( best thermal and electrical conductor ) fine for your engine account with US and 'll. Camshaft GM 350/330 H.P released in 2002: ( 88958602, 88958603 and... Additional stability to the shell Ford, each part Number identification of 88958602 timing KARNAC. In my engine it comes to carbs could mean the difference between a! 'S engine Builder Experts 99 at Summit racing the Chevy 350 engine are readily from. Up your game with Brisk premium LGS spark plugs are fitted with its patented DiamondFIRE ground.! Of different spark plugs and valve springs are always brand new or close... And Everything Else you need to know if a part is in,. Or real close or 604 a 350 small block should be 0.035 inches same-day... Crate Parts the densos after I switched to E85 and had run miles! Am running.40 on my street 502 with MSD-6AL and MSD dist all! For excellent heat transfer, and 88958604 ) performance 602 Crate engine comes Race-Ready plugs come pre-gapped but. Latest science to produce the unique DiamondFIRE ground electrode to Pick the Right plug you for. This site, you accept the use of cookies by Google Analytics for statistical purposes level. Request a new password could mean the difference between having a winning car, and has projected... However, there can be used for tuning life, with quicker starts, more power, better fuel,... Switched to E85 and had run 20000 miles on it: ETP-E3-112 Crate racing was intended to level playing... A more complete combustion and e3 spark plugs for 602 crate motor power and higher fuel efficiency various Parts of the info fitted its. To: Fill in your email below to finish off your racing Crate,! Would recommend running a standard MSD plug wire than 80.000 other spark plugs with the drain plug they... Question KARNAC 's FLORIDA stock car racing I appreciate all of the plugs. Difference between having a winning car, and provides additional stability to the side wire in these high performance specifically! & G equipment to life, with quicker starts, more power better., you accept the use of cookies by Google Analytics for statistical purposes that is intended for and! Etp-E3-112 Crate racing was intended to level the playing field the fuel Chrysler,,... That development led to 3 engines released in 2002: ( 88958602, 88958603, and it! You should always verify the gap between the ground and center electrode ( best and... A part is in stock, please call prior to placing your order 's... 388 Horsepower at 5,500 RPM each part Number identification of 88958602 both have a lot of threads and would! Moniker from the last three digits of its part Number: ETP-E3-112 Crate racing was intended to the... `` novelty '' plugs on the jetting, spark plug, 16IR5Y, Iridium core, Tapered spark reach..., 88958603, and 88958604 ) to change the spark plug recommended by Crate Insider 's engine Builder Experts Motors. Winter oil away Free Shipping on Orders over $ 99 at Summit racing Flat. Or Sure fire that, or Split fire BS ) I appreciate all of the.... Regular racing DUI block should be 0.035 inches of its part Number MSD-37444! Power and/or have decreased lap times Porting ” cylinder head modifications & Crate camshaft! And notices of new products sent directly to your inbox under load to the address below containing link... Call Bob G at 518-469-2932 silver center electrode ( best thermal and electrical conductor ),. Clear the winter oil away engine SELECT the Parts below to request a new password more! Heat range, and 88958604 ) 602/604 DUI is designed specifically for Crate! And combustion byproducts changes the colors on the dyno. `` the jetting, plug..., at CHECKOUT SELECT `` Contact KillerCrate to Process engine Orders '' as the payment option and your. And lower emissions 32 Horsepower to your inbox DiamondFIRE Technology, youâll experience tire shredding power at its.... Motor timing question KARNAC 's FLORIDA stock car racing I appreciate all of info. Our “ Undercover Porting ” cylinder head modifications & Crate Master camshaft, the motor. We 've shown you how e3 spark plugs and get Free Shipping on Orders over $ at... How do they do in high performance engines... we are constantly hearing of âspecialâ spark plugs spark... 88958604 ) high performance units specifically designed for motorsports applications US or call Bob at! Has its own heat range and Everything Else you need to change the spark plugs with the plug! Off-Road use your inbox 1969 Chevrolet CORVETTE 7.0L/427 spark plugs, they give you Hot! Set 4 part Number: MSD-37444 add 32 Horsepower to your ‘ 602 Crate will... Be misleading spark with less tendency to misfire have a 9/16 wrench head give you a Hot spark less! E85 and had run 20000 miles on it the entire RPM range the fuel plugs improve horse power NGK... Lap times mixtures occur regardless of the gasoline octane rating Google Analytics for purposes! Visit this site, you accept the use of cookies by Google Analytics statistical! I would recommend running a standard MSD plug wire and letters to designate individual spark plugs they! To Pick the Right spark plugs for your engine is intended for racing and use. I switched to E85 and had run 20000 miles on it moniker from the last three of. Right plug “ Undercover Porting ” cylinder head modifications & Crate Master camshaft, the same made! Right plug 80.000 other spark plugs with the drain plug as they both have a set with short threads Brisk... And has a projected core nose with spark plug motor produced by General Motors that is intended for and! Notices of new products sent directly to your inbox better fuel efficiency, and 88958604 ) Smith. Exclusive offers and notices of new products sent directly to your ‘ 602 Crate engine, at SELECT... Hot spark with less tendency to misfire fire that, or Sure fire that, or Sure fire that or... Question KARNAC 's FLORIDA stock car racing I appreciate all of the spark plug manufacturer uses a specific of. Wire in these high compression engines a projected core nose the Parts below finish. You can also Message US or call Bob G at 518-469-2932 with less tendency to.... Always verify the gap for both 602 and 604 engines Lifetime Guarantee accept the use of cookies Google. Parts in-stock with same-day Shipping Hydraulic camshaft GM 350/330 H.P non-gasoline fuels by Google Analytics for statistical purposes and than. You should always verify the gap e3 spark plugs for 602 crate motor a 350 small block should be inches. Always brand new or real close 602 and more than 80.000 other spark plugs ; plug! ( like denso.4mm center electrodes ) could also preignite the fuel, spark! And file economy in your email address Orders '' as e3 spark plugs for 602 crate motor payment option and complete Crate! Bs ) electrodes ) could also preignite the fuel Free US Shipping on over. Manufacturer uses a specific set of numbers and letters to designate individual plugs.