QA1 6Q Series Twintube Shock - 9 in Long - C5-R5 Valve - Black YA0853 Adjustable vacuum advance for fine

Adjustable vacuum advance for fine tuning the rate and amount of advance that will result in increased power and eliminate harmful detonation

and includes new bearing races

1964-1966 Cadillac Eldorado

remaining system plumbing not included

QA1 6Q Series Twintube Shock - 9 in Long - C5-R5 Valve - Black YA0853 Adjustable vacuum advance for fineQA1 6Q Series Circle Track Rebuildable Aluminum Twin Tube ShocksQA1 specializes in high performance suspension components, including shock absorbers, rod ends, spherical bearings, struts, springs, ball joints and other related items. With products to fit a wide variety of applications, they have solutions for the circle track, drag racing, street performance, and street rodding markets. At QA1, we believe vehicles were meant to be driven. From bolt on