1957-79 V8 Small Block Exhaust Manifold Heat Riser, Without Valve
Stock replacement heat riser valves are available as well as "blank" plates for improved flow. Note: Images are shown from the bottom (pipe) side.
1969-81 Buick, Chevrolet, Pontiac, Oldsmobile; Exhaust Manifold Lower Heat Stove; Various Models
Restore original-style underhood function with this lower heat stove for 1969-1981 GM applications as listed. Originally installed on these models from the factory, this part helps direct heat where it is needed for proper...