Inlet and barbs, 103mm. Compatible with Nick Williams Throttle Bodies.
Fits Port and Direct Injection Heartbeat Supercharger Systems.-6G Camaro (Heartbeat Supercharger only. Click here for Magnum TVS2650 compatible 103mm inlet)-C7 Corvette (Heartbeat Supercharger only. Click here for Magnum TVS2650 compatible 103mm inlet)*Does not clear drive system on C6 Corvette and 5G Camaro*Does not fit Chevy SS Sedan