Landrum ST Series Bump Stop Spring - 4000lb R030015L Holley 2300 R4412-1/R4412-2/R4412-3/R4412-4/R4412-5Holley has been

Holley 2300 R4412-1/R4412-2/R4412-3/R4412-4/R4412-5Holley has been the undisputed leader in fuel systems for over 100 years

eliminating the need for a separate regulator on most carburetors

two outer side panels

120 in Journal

Landrum ST Series Bump Stop Spring - 4000lb R030015L Holley 2300 R4412-1/R4412-2/R4412-3/R4412-4/R4412-5Holley has beenLandrum 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 offer 5 rates: 600, 4000, 1000, 1200, and 1400. We will also be carrying the bump cups to help