Landrum ST Series Bump Stop Spring - 400lb HSCHD11SASM61 TH400 or TH2004R transmission using

TH400 or TH2004R transmission using a factory 1968-72 Chevelle transmission crossmember

thick laser cut flanges and factory collector connections

including GM front license plate mounts

Extreme Mega Pak

Tapped and Threaded to Secure Hurst Shift Sticks

Landrum ST Series Bump Stop Spring - 400lb HSCHD11SASM61 TH400 or TH2004R transmission usingLandrum Performance Spring has added bump stop spring technology to their inventory. Many of you have used bump rubbers or a die spring. This is a coil spring made specifically for the bump stop applications. This spring is made of high tensile strength material as are our other VB series springs. This offers fast, easy set up, and consistent spring rate. We will also be carrying the bump cups to help seat the spring. We will offer two cups sizes. One