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Fitting - Quick Disconnect - Both Halves to 4 AN Male - Aluminum - Black Anodized - Kit
5 in Tall - Plastic - Gray - Each
436 in - Duration 258 / 262 - 111 LSA - 3000 / 7500 RPM - GM EcoTec 4-Cylinder - Pair
637 in - Duration 292 / 308 - 108 LSA - 3600 / 6800 RPM - Big Block Chevy - Each
Coil-Over Spring Spacer - 2 in Tall - 2
ACCEL - 14mm Thread - .460 in Reach - Tapered Seat - 2 pack of 0574S-4 Fitting - Quick Disconnect -ACCEL'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
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