BD Diesel Full Bore Exhaust Manifold Restores Exhaust Flow Balance AA0112EG2T54 1979-1993 GMC G3500

1979-1993 GMC G3500

Aeromotive A3000 Fuel Pump

Crankshaft Flange Adapter Bolt

Recirculation-style pump with integral fittings for quiet operation

BD Diesel Full Bore Exhaust Manifold Restores Exhaust Flow Balance AA0112EG2T54 1979-1993 GMC G3500The BD Full Bore Exhaust Manifold for the Chevy Duramax engine replaces factory driver's side "pinched down" unit, restoring exhaust flow and balances the V8 engine for smother running. Flow design will accommodate enhanced performance engines by aiding them in improving exhaust velocity to drive the turbocharger, improving power, increasing economy and lowering EGT's. Made from high silicon ductile iron, the Full Bore is a direct, bolt in replacement