QA1 2.500" ID Spring Coil-Over Kit Aluminum J.W. Performance Transmissions backed by the best one-year

backed by the best one-year warranty in the industry

A performance distributor combined with the added benefit of an adjustable vacuum advance for street use

Allows axial thrust unlike solid flywheel conversions

or for both to be in the ON or OFF position at the same time

Modular design allows for lower shipping costs

QA1 2.500" ID Spring Coil-Over Kit Aluminum J.W. Performance Transmissions backed by the best one-yearQA1 has several coil over kits designed for its drag and street shocks and struts. Part #COK105 For Mustang Stock Struts with 2. 2'' O. D. Not compatible with Bilstein shocks. QA1 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,