Product#: 3887023

1964-78 Chevrolet, GMC Exhaust Manifold Heat Riser Valve; Small Block; Car & Truck

Reproduction exhaust manifold heat riser valve for various 1964-78 General Motors passenger cars and truck models as listed below. The heat riser valve is located between the exhaust manifold and the head pipe and is used to...

Product#: 3845304

1958-74 Chevrolet V8 Big Block; Exhaust Manifold Heat Riser With 2-1/2" Headpipe Without Valve

Replacement heat riser "blank" plate for improved flow. Note: Images are shown from the bottom (pipe) side.

Product#: 3750067

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. {specs} Note: Images are shown from the bottom (pipe) side.

Product#: EMR001

1957-72 V8 Exhaust Manifold Heat Riser With 2" Headpipe And 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.

Product#: EMR002

1959-1974 V8 Exhaust Manifold Heat Riser With 2-1/2" Headpipe SB Hi-Perf, 348/409 Hi-perf, all BB

Heat riser valves are located between the exhaust manifold and the head pipe and are used to accelerate the warm up of a cold engine. A malfunctioning or frozen valve can cause loss of power or exhaust manifold damage. Fits...

Product#: TF700542

1955-72 Chevrolet 2-1/2" Exhaust Manifold Heat Riser Gasket

Chevrolet passenger car exhaust manifold heat riser gasket for V8 models with 2-1/2" exhaust. Seals between exhaust manifold and the heat riser. Fits heat riser part numbers EMR002 and EMR004.