Pro-Line PowerStroke Rear Shocks (2) (Slash) From Pro-LineThis is a pair of Rear PowerStroke Short Course Shocks. Enhance the overall performance of your stock Slash® and Slash® 4X4, ProTrac Suspension Kit Slash, SC10, Blitz or Ultima SC with PowerStroke Shocks. Pair with the Front shock kit for an unbeatable combination. Aluminum shock body and cap and beefy 3.5mm shafts make this Powerstroke Shock kit one of the most important SC upgrades available on the market. If you are going to select one performance upgrade for your Short Course truck we recommend the Pro-Line PowerStroke SC Shocks! PowerStoke Features:Fits stock Slash, ProTrac Suspension Kit for Slash, Slash 4X4Fits SC10, Blitz and Ultima SC with 6063-05 Universal AdaptersPair with the 6063-00 PowerStroke Front ShocksTrue dual-stage spring rateTune your spring rates with this 6063-04 Rear Spring AssortmentAluminum body and shock capInfinite spring pre-load adjustmentBeefy 3.5mm shock shaftsInjection molded, super durable spring retainer and shock endsBladder sealed shock capFree flow molded pistonsDual O-ring seats and upper and lower shock shaft guidesPre-assembled just add oil!What's included:Pre-assembled PowerStroke Performance Shocks Rear (2 pcs)