GM: Head Gaskets [Camaro Corvette, LT1] cam and center caps

and center caps

($150 Core Charge refunded upon return of yours unless you wish to keep both)

is recommended

The Billy Boat C7 PRT exhaust incorporates our own version of the factory-designed butterfly valve to control backpressure and sound when your C7 goes into economy mode

High torque capacity up to 1300 ft/lbs at the flywheel

GM: Head Gaskets [Camaro Corvette, LT1] cam and center capsGM 7 layer head gasket LT1, sold in pairs Chevrolet Performance Multilayer Head Gasket for LT1 engines. These are possibly THE best gaskets available for engines in the 4. 00" 4. 080" bore range. 4. 100" bore, . 055" compressed thickness, 7 layer