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5 in Tall - Plastic - Gray - Each
Driving Shoe - ZR-60 - Mid-Top - SFI 3
Coil-Over Spring Spacer - 2 in Tall - 2
436 in - Duration 258 / 262 - 111 LSA - 3000 / 7500 RPM - GM EcoTec 4-Cylinder - Pair
ACCEL - 14mm Thread - .460 in Reach - Tapered Seat - 2 pack of 0574S-4 5 in Tall - PlasticACCEL's patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3 16 in to 3 8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain applications where