WEAPON-X.800 (Stage 4) [Camaro ZL1 gen 6, LT4] Exhaust:2" American Racing The injectors are also E85

The injectors are also E85 compatible allowing higher output engines to take advantage of the availability of E85 fuel

Double Spring Kit

For those seeking even more performance from their ZL1 Camaros

570" exhaust valve

WEAPON-X.800 (Stage 4) [Camaro ZL1 gen 6, LT4] Exhaust:2" American Racing The injectors are also E85If 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