Landrum 10.5" Gold Coil Rear Spring - 5" O.D. - 150 lb. 28750BK L9H and GEN V LT1

L9H and GEN V LT1 Engines available under 5465

290 in Springs

Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design

Cylinder head modification can net some serious performance gains

Landrum 10.5" Gold Coil Rear Spring - 5" O.D. - 150 lb. 28750BK L9H and GEN V LT1All rear springs are closed and ground on both ends which insures proper contact with the jack plate and spring seat. 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 the competition and help put you in victory lane. Lightweight, High Travel and Durable