For LS ZL1 Cathedral Port Cylinder Head to Rectangle Port Intakes Adapter Plates
Fit For LS1, LS3, LSA, ZL1, CTS-V, LSX Series. Note: W ill not fit raised port LS7 intakes. Intake manifold bolt lengths required when used with Car intake manifold (M6 x 130mm) Truck, intake manifold (M6 x 90mm).