By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. I have an HT 502 engine - what is the best spark plug - the gap - the timing etc - Answered by a verified GM Mechanic We use cookies to give you the best possible experience on our website. Ok, I understand Nevermind × Open Delay. We carry brands such as DENSO, KYB, Bosch, NGK, and many more. $149.99. Delayed Shipping. Compare Compare Now 34 in stock. Order by 12pm PST M-F for same day shipping. Re: ZZ 502 Spark Plugs--- Help Damn, I was hoping you guys were gonna tell me to put 8 heat range in. They feature nickel alloy centers and ground electrodes with efficient wear characteristics. Anyways my question is what plug gap should I run. General Q & A - Spark plug type for 502 EFI - Stock plugs are RV15YC4 or MR43TS at .045. View as: Grid List. Motorcraft spark plugs are available for a wide range of applications including all Ford Lincoln and Mercury vehicles as well as other domestic and import cars and trucks. 19331579) find engine components, and more for your project car. The spark plugs have a few advantages, which include higher speeding up, enhance motor performance, and also fuel proficiency. Over the time, the German company has released over 11 billion parts and has become a widely recognized leader in manufacturing spark plugs on the global auto parts market. Also, the spark plug gap should never exceed .055" unless pre-set by the manufacturer. Note 1: 454/502/8.2L Models Only-Test spring pressure with inner and outer spring assembled. per page . To be fair, I cannot be 100% certain that it is just one plug. TUNE UP KIT MERCRUISER V8 454 502 SPARK PLUG WIRES DISTRIBUTOR CAP ROTOR COIL . $2.39 Open Proceed. Champion Copper Plus spark plugs have been original equipment on a wide variety of engines for many years. 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Read honest and unbiased product reviews from our users. 558 LB/FT @3400 RPM. I was told to use acdelco MR 43 plugs. Just had the heads cleaned and re surfaced and fixing a couple other things. Give us a chance and we will show what we can do for you. view product > Out of stock. 4 x BOSCH SUPER 4 SPARK PLUGS FOR. The spark plug gap adjustment should not be changed more than 3 times and should not exceed .008" in either direction. Champion industrial and agricultural plugs are designed to withstand today's high-temperature/high load service environments.Product Features:Focused spark for maximum powerExclusive Heat-Active alloy maintains stable operating temperature under all load Fitted as Original Equipment to many vehicles, these aftermarket replacement glow plugs offer excellent value for money. What size amsoil oil filter fits my 502 Chevy crate motor? Hey guys, putting new plugs in our boat. HEI Electronic Distributor 65K Coil 350 454 Chevy V8 Mercruiser OMC 5.7 5.0 7.4. 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TUNE UP MERCRUISER 7.4L MPI 1998-2001 SPARK PLUGS … See details - Bosch Spark Plug UR6DE. MOTORCRAFT SP502 Spark Plug ALL THE PARTS YOUR CAR WILL EVER NEED Show Prices In US Dollars ($) Australian Dollars (AU$) Brazilian Real (R$) Canadian Dollars (CAD$) Swiss Francs (CHF) Euros (€) British Pounds (£) Japanese Yen (¥) Mexican … Spark plugs are designed to operate in a temperature range of 450 – 870°C, when an engine is modified (generally to produce more power which produces more heat) in turn the engine and subsequent spark plug temperatures increase. Learn about the Chevrolet Performance ZZ502 Deluxe big block crate engine (Part No. BRAND CHAMPION . BOSCH Spark Plug UR6DE 0 242 040 502 Bosch Spark Plugs truly set the gold standard for replacement spark plugs, ensuring you get reliable performance and a long service life with every spark. These are the best spark plugs for 5.7 l Hemi as they have trivalent metal plating, as opposed to seizing and against consumption properties. 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