Wehrs Machine Mid-Length Upper Rear Spring Cup - 5 in Springs - Black 20-OTL-NG-LXL 1961-1963 Bristol 407

1961-1963 Bristol 407

the valve train can handle more RPM and more aggressive cam profiles

Grave Digger Passenger Side Mount

CARB RECOMMENDATIONS: Holley #0-4412 (500 cfm)

Wehrs Machine Mid-Length Upper Rear Spring Cup - 5 in Springs - Black 20-OTL-NG-LXL 1961-1963 Bristol 407Product Description: Spring Cup Upper Mid Length Rear 1 8 in Thread Steel Black Paint 5 in Springs Welcome to the Wehrs Machine & Racing Products have been providing racers with quality parts and components since 1997. We feature Wehrs Tranny Yoke Plugs, Wehrs Tranny Caddy, Wehrs Rear End Breather Fittings, Wehrs Adjustable J Bar, Wehrs A Frame Spacers, Wehrs Wide 5 Dust Covers, Wehrs Quick Change Shock Pins, Wehrs Intake Dividers, Wehrs Heim Center