Gauge Adapter AN -4 Male x -4 Male x 1/8in NPT model_suburban-gmc Spark Plug - Premium EVO

Spark Plug - Premium EVO - 14 mm Thread - 19 mm Reach - Heat Range 14 - Gasket Seat - Resistor - Each

Bulkhead Plate - Streamline - 4 Port Diamond - 6 AN Male O-Ring to 10 AN Male O-Ring - Aluminum - Polished - Each

5 in H x 3 in D - Center Inlet - Passenger Side Outlet - Aluminum - Polished - Chevy V8 - Chevy Fullsize Car 1955-57 - Each

25 in Thick - Steel - Black Paint - Each

Tubing Coupler - Straight - Reducer - 2-1/2 in to 2 in ID - 3 in Long - 4

Gauge Adapter AN -4 Male x -4 Male x 1/8in NPT model_suburban-gmc Spark Plug - Premium EVOFitting Gauge Adapter Straight 4 AN Male to 4 AN Male 1 8 in NPT Gauge Port Aluminum Black Anodized Each