Landrum 12" Gold Coil Front Spring - 5.5" O.D. - 900 lb. HYSXSM11M61 7L OEM (HE351) Mount ManifoldBD

7L OEM (HE351) Mount ManifoldBD Diesel Performance is unique among its peers in that it designs

Carb plates with built-in shear design help maximize performance on race engines with a large amount of cam overlap by creating a dam under the throttle plates

OEM spec connectors and wiring assure a hassle free installation that takes minutes rather than hours

Set custom alert High and Low points specific to your vehicle & receive full dial warning notification to highlight the need for driver attention

or four-gauge configurations

Landrum 12" Gold Coil Front Spring - 5.5" O.D. - 900 lb. HYSXSM11M61 7L OEM (HE351) Mount ManifoldBDAll front springs are closed and ground on one end to provide proper contact with the jack plate, not forged. The opposite end is either open or closed tangential to fit properly into the lower control arm. Consistent Performance and Reliability Landrum Performance Springs give you the consistent high performance and reliability you need. We use state of the art designs, materials, and manufacturing processes to produce race springs that out perform