Holley manifold supercharger adapter plates pick your supercharger:Custom (special order) Say goodbye to rear brake

Say goodbye to rear brake lock-up and embrace smoother

and providing necessary data to control fuel enrichment

Rotary Knob Adjustment: Precisely tune front-to-rear brake bias with easy-to-use incremental adjustments

All gaskets and needed hardware

the Launch Control device disengages

Holley manifold supercharger adapter plates pick your supercharger:Custom (special order) Say goodbye to rear brakeTruck accessory drive and cathedral port are kept in stock; Others may have up to 3 weeks lead time (we need at least five at a time to be made) Other notes: (gt500 requires our modular pulley kit to work) What is included: Supercharger to Holley manifold adapter plate All gaskets and necessary hardware.