SBC .375in End Rail Spac Kit

Manifold End Seal Spacer - 0.375 in Thick - Roll Pins - Aluminum - Natural - Raised Port Heads - Small Block Chevy - Kit

SBC.250in End Rail Space Kit

Manifold End Seal Spacer - 0.250 in Thick - Roll Pins - Aluminum - Natural - Raised Port Heads - Small Block Chevy - Kit

SBC .187in End Rail Spac Kit

Manifold End Seal Spacer - 0.187 in Thick - Roll Pins - Aluminum - Natural - Raised Port Heads - Small Block Chevy - Kit

SBC.125in End Rail Space Kit

Manifold End Seal Spacer - 0.125 in Thick - Roll Pins - Aluminum - Natural - Raised Port Heads - Small Block Chevy - Kit