Lakewood has combined their experience and the latest technology in drag racing to develop shocks that are superior to OEM shocks. They will provide correct weight transfer on initial launch to help plant the rear tires. These 50/50 valving shocks will assist to prevent wheel hop. Specially formulated hydraulic oil to reduce foam and fade. Rubber travel indicators on rear shocks to measure suspension travel. Extended length is 20.58 in. Collapsed length 12.48 in. Eyelet on both ends. Designed for rear wheel drive GM applications. Other applications. Full hardware packet included. Made of steel, mono tub design.