LS1 Cathedral Port Cylinder Head to LS3 LSA ZL1 Supercharger Adapters H66309

LS Intake Manifold Adapter Cathedral Port Heads to Rectangle Port Intake1/2 in. Thick - Adapts LSA Supercharger(2) Flange Plates, (8) O-Ring Seals Intake Manifold Bolt Lengths Required - Factory GM Supercharger: M6 x 70mm - Car Intake Manifold: M6 x 130mm - Truck Intake Manifold: M6 x 90mm - Additional Notes: fits cathedral port head and will adapt to any rectangle port intake, supercharger, or blower. will NOT fit raised port LS7 intakes - Package includes 2 adapter plates with 8 o-ring seals . Cathedral Port Heads to Rectangle Port 1/2 in Adapts LSA (2) Flange Plates, (8) O-Ring Seals Intake Manifold Bolt Lengths Factory GM Supercharger: M6 x