Landrum 10.5" Gold Coil Rear Spring - 5" O.D. - 175 lb. 1950896 The GS1 is a steel

The GS1 is a steel mono-tube

2016-2018 Thomas Saf-T-Liner

270 Stepper Motor

Housing is CNC machined 6061-T6 aluminum with an upper support bearing and an extra-long lower bronze bushing for smooth operation and accurate timing at higher RPMs

Landrum 10.5" Gold Coil Rear Spring - 5" O.D. - 175 lb. 1950896 The GS1 is a steelAll 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