Moroso Holley Vacuum Secondary Spring Kit Beyea Custom Headers 545" OD and fit applications

545" OD and fit applications with 11/32" valves and

Deep groove helps retain V-belt at high RPM

Reinforced with steel girdle ringAir Lift Company has been developing air spring suspension products for more than 50 years

1000 Series

hardware and easy to follow installation instructions

Moroso Holley Vacuum Secondary Spring Kit Beyea Custom Headers 545" OD and fit applicationsProduct Description: Vacuum Secondary Spring Steel Color Coded Holley Carburetors Set of 7 Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard core racing tools, chassis and suspension