ABOUT BDX PERFORMANCEBDXP is the leading USA technical expert in the Chinese vehicle off road market.  Our engineers and technicians have helped thousands of people in the past twenty years keep their vehicles running.  We have a full machine shop where we manufacture performance parts and engines to get maximum performance out of your vehicle.DESCRIPTION This rear shock features softer spring rates that offer a much more comfortable ride for the user, along with a 4-way adjustable spring preload. The bolt-in installation process takes just minutes and requires absolutely no modifications. Depending on stock availability, the springs may come in red, black, or chrome. We guarantee a perfect fit with dual rate, oil-dampened springs that include progressive rate springs to resist bottoming out over rough terrain.SOLD INDIVIDUALLYThe Go-Kart 150cc Rear Shock is designed to deliver optimal suspension performance and comfort for go-karts powered by 150cc engines. This rear shock features a robust spring and hydraulic damping system designed to absorb bumps and vibrations, ensuring a smoother ride on rough or uneven terrain.GUARANTEED FIT FOR THE FOLLOWING VEHICLESTwister HammerheadExplorerTrailMasterSPECIFICATIONSOver 10" rear suspension travel.Softer spring rates offer a much more comfortable ride for the user.Progressive rate springs resist against bottom out over rough terrain.4-way adjustable spring preload!Bolt-in installation, installs in minutes. Absolutely NO modification required.May come with red, black or chrome springs depending on stock.Bolt-in, No Guesswork!Dual RateOil Dampened13.5" (+1.5") Length