WEAPON-X.800 (Stage 4) [Camaro ZL1 gen 6, LT4] Exhaust:2" American Racing Silver Spark Plugs provide many

Silver Spark Plugs provide many unique and beneficial characteristics

Safety Features

For those seeking even more performance from their ZL1 Camaros

Double Spring Kit

570" exhaust valve

WEAPON-X.800 (Stage 4) [Camaro ZL1 gen 6, LT4] Exhaust:2" American Racing Silver Spark Plugs provide manyIf you're looking at this package, you're after as much bolt on HP as possible without cracking the motor. We've done extensive testing on the LT4 wet sump platform to ensure this is the best and safest combo on pump gas! The X800 package focuses on air into the engine, overdriving the supercharger, and air out. This stage 4 package requires a tune, will get you approximately an extra 150 HP! If you need help with a tune, we offer remote tuning