Replacement Exhaust Manifold Heat Riser Gasket 1 Required Per Car This exhaust manifold heat riser gasket fits between the exhaust manifold and the heat riser on the passenger's side exhaust head pipe. It can be used with our exhaust heat…
57-74 cars used the exhaust heat riser valve. The High Performance cars used the spacer without the butterfly.
- 2 and 1/2 inch IDCORVETTE EXHAUST SPACERS VALVES RISERS…
Protects EGR Systems From Damaging Heat, Oil, Grease, Etc.
Installs Without EGR Pipe Removal
High Temp 2000 F Rated
4.5" x 4.5" Design Fits 1987-1991 Corvettes
Made In The USA
Insulating Corvette EGR valve pipes not…
Heat risers are notorious for not working properly. If yours is stuck, it will affect engine performance. Here is an inexpensive way to eliminate that problem, a non-functional spacer that is the correct size and shape.
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Protects EGR Systems From Damaging Heat, Oil, Grease, Etc.
Installs Without EGR Pipe Removal
High Temp 2000 F Rated
15" x 4.5" Design Fits 1990-1991 Corvettes (Some 1989)
Made In The USA
Insulating Corvette EGR valve…
Made in the USA. Used to eliminate heat riser assembly while maintaining stock manifold studs and correct exhaust system alignment. For big block systems.
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Easy To Install
Won't Crush Pipes
This specially designed stainless steel band strap looks better and lasts longer than conventional U-Clamps. This strap delivers a leak-proof 360° seal that won't crush the…
This stamped steel 2.5"exhaust flange is used on the 327 with high performance and all big blocks 396/427/454.
It measures: 3/8 thick with 2 5/8 inch diameter hole center, 7/16 bolt hole diameter, 3 inch center to center on the mounting…
58-74 cars used the exhaust heat riser valve.
2 and 1/2 inch ID
NOTE: When installing the heat riser, the butterfly weight goes toward the rear of the car.
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* Completely assembled and ready to install
* Includes Stainless Steel Hardware
Rear exhaust pipe supports, mount in rear bumper. Oval "cateye" rubber insulators with metal and ruber retaining ring and copper spring clips to hold the 58-60…
Stock Replacement Correct Original Factory Appearance Fits Big Blocks This stock replacement heat riser assembly is manufactured by GM or by one of its authorized suppliers for use as a factory replacement part. You will find the fit and…
Our complete exhaust hardware kit has everything you need to hang your exhaust system. Includes P#s 321210, 321211, and 321212, fine thread u-bolts, and hardware.C1 CORVETTE REAR EXHAUST PIPES HANGERS BRACKETS…
Best Quality Steel Reproduction Exhaust Heat Riser
2-1/2 Inches
Correct For Big Block Chevy
For V8 Engines Only
Over time exhaust heat risers locks will need to be replaced as they wear down over time. A faulty one will cause…
In rear body 1958 Late, right hand side.
According to our research, this metal exhaust tunnel wasn't used on all bodies. Check the 1959 GM assembly manual Sect. 8, Sheet 3.FIBERGLASS…