QA1 High Travel Coil-Over Spring - 2.5 in ID - 8 in Length - 400 lb/in Spring Rate - Chrome Auto Racing Shoes is supplied with the harness

is supplied with the harness and mounting hardware

25” center to center mount used in various Wilwood calipers

The use of synthetic oil is not recommended and may result in aggressive or noisy operation

12 in Wilwood Piston

AMC 290-401

QA1 High Travel Coil-Over Spring - 2.5 in ID - 8 in Length - 400 lb/in Spring Rate - Chrome Auto Racing Shoes is supplied with the harnessQA1's 2. 5" I. D. Coil Springs are offered in 6" to 14" free length and available in a chrome plated or silver powder coated finish. QA1's springs are made with the highest quality materials to make them strong, consistent and have a long life. A lifetime guarantee ensures that all QA1'springs will stay within 2% of the original free height and rate under normal operating conditions. Chrome Silicon Steel (CrS), All QA1'springs are manufactured using