Can ONLY be used with Cathedral Port Cylinder Heads. Intake manifold bolt lengths required when used with. Car intake manifold (M6 x 130mm) use ICT part # BOLTM6-130X10. Truck intake manifold (M6 x 90mm) use ICT part # BOLTM6-90X10.
For LS Cathedral Port Cylinder Head to Rectangle Port Intake Manifold Adapters
For LS Cathedral Port Cylinder Head To Rectangle Port Intake Manifold Adapter
For LSA Cathedral Port Heads Rectangle Port Intake Manifold Adapters Brand New
