Hedman Oxygen Sensor Hedder Reducer - 3 in. Ball and Socket Flange YA0859 Block Adapters Have 1/8" NPT

Block Adapters Have 1/8" NPT Ports for Connection of the Steam Tube Hose

292 cc Intake

Carburetor Adapter Plate

Burst panel is designed to blow open or release excessive manifold pressure in the event of an internal engine explosion

2-Forward Speeds

Hedman Oxygen Sensor Hedder Reducer - 3 in. Ball and Socket Flange YA0859 Block Adapters Have 1/8" NPTHedman Hedders Ball And Socket Style O2 Sensor Header Reducers For 2 1 4" Exhaust System; 3 Bolt Triangular Flange Hedman's Ball & Socket style hedder reducers are for use on Hedman Hedders with a ball style collector. The Ball and socket configuration is a durable, gasket free design. These ball & socket style reducers have built in O2 sensor bungs. SOLD INDIVIDUALLY. Hedman Hedders Oxygen Sensor Hedder Reducer 21117 3 in. Ball and Socket Flange