Check the listing for details. QA1 Adjustable 14 Inch Coil-Over Shock Kit, 400 Spring Rate. Condition: New. Listed at 574.99 USD. Comes with steel coilover sleeves for the shock eyes to fit 1/2" bolts or 5/8" bolts, QA1 shocks feature 18 easily adjustable rebound settings to fine tune your hot rods ride, These premium aluminum bodied shocks are not a revalved race shock - they were built specifically for street rods, QA1 coil-over racing springs are guaranteed to remain within 2% of rate and length, Heat treated and chrome plated.Comes with steel coilover sleeves for the shock eyes to fit 1/2" bolts or 5/8" bolts, QA1 shocks feature 18 easily adjustable rebound settings to fine tune your hot rods ride, These premium aluminum bodied shocks are not a revalved race shock - they were built specifically for street rods, QA1 coil-over racing springs are guaranteed to remain within 2% of rate and length, Heat treated and chrome plated.