Intake manifold bolt lengths required when used with Car intake manifold (M6 x 130mm), Truck intake manifold (M6 x 90mm). Type: Rectangular Port Intake Manifold Adapter. Will not fit raised port LS7 intakes.
For LS Cathedral Port Cylinder Head to Rectangle Port Intake Manifold Adapters
For LS Cathedral Port Cylinder Head To Rectangle Port Intake Manifold Adapter
