QA1 Proma Star Twintube Double Adjustable Threaded Aluminum Shock GMT556A21K 3/4 in Long

3/4 in Long

A direct replacement for all 1957 Chevy passenger cars with six-cylinder engines

Coupe onlyAuto Meter Gauges are the number one choice of professional racers worldwide

BedStep2™

QA1 Proma Star Twintube Double Adjustable Threaded Aluminum Shock GMT556A21K 3/4 in LongQA1'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