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If you are not 100% happy with it
Fully Adjustable Design: Compatible with various supercharger heights and pulley sizes for optimal fitment
Extended Belt Life: Improved traction and alignment contribute to considerably longer belt life and less blown belts
KONG LS9 TVS 2650
High torque motor built to last on high boost combinations
Kong LSA / LS9 Low Vacuum Bypass Valve LSA If you are not 100%Kong LSA LS9 Low Vacuum Bypass Valve This low vacuum bypass is a direct replacement for the LSA LS9 OEM bypass. It is designed to open and function properly on low vacuum engines. Stage 3 4 camshafts in LSA LS9 engines do not pull enough vacuum to open the OEM bypass valve all the way. This results in poor gas mileage, poor driveability, and decreased supercharger life. The Kong low vacuum bypass valve is the first and only direct replacement option