1957-1974 Corvette C1 C2 C3 Exhaust 2 inch Heat Riser Valve

Manufacturer: Corvette Central

Part # 322111

• Actual riser you will receive is pictured.
  
• Mounts between the exhaust manifold and front y-pipe on the passenger side. 
  
• Remains in closed valve to force heat into the carburetor choke assembly at start-up. 
  
• For use with 2" exhaust manifolds.