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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 enoug...
Reviews
4.4
7 ratings
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Great product fast shiping and handling
A
Adam · October 7, 2025
Shipping was so quick and long performance products are great