QA1 Proma Star Twintube Single Adjustable Shock - 13.00 in Compressed / 19.50 in Extended - 2.00 in OD - Threaded 91619079 425 and 455 V8The COMP

425 and 455 V8The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

and it improves response by up to 60%

This core features a flat tank design with a brazed aluminum construction that will provide exceptional thermal efficiency and durability

03 in Tall

QA1 Proma Star Twintube Single Adjustable Shock - 13.00 in Compressed / 19.50 in Extended - 2.00 in OD - Threaded 91619079 425 and 455 V8The COMPQA1's Proma Star Coil Overs help you gain the benefits of coil over shocks on a huge range of vehicles. Building a custom chassis or suspension components? Can? t find direct fit options for your vehicle? These are for you. Available with 3" to 9" of stroke and single or double adjustable valving, QA1'shocks instantly upgrade ride quality and performance. The shock and included hardware kit provide quick and easy ride height adjustability to get the