COMP Cams Steel Retainers Eb 3/8in 1.437 744-100 FR SPORT 5 kg/mm (308 lbs/inch) Spring

5 kg/mm (308 lbs/inch) Spring Rate(Rear) 6 kg/mm (336 lbs/inch) Spring Length(Front) 180 mm Spring Length(Rear) 160 mm Front Top Mount Yes

All the necessary hardware and gaskets are included for installation

These clutch packs have a great deal of room for improvement

Hybrid 2001 - 2006 GMC Sierra 1500 HD SLT

- Made with high-strength and anti-craking rubber material

COMP Cams Steel Retainers Eb 3/8in 1.437 744-100 FR SPORT 5 kg/mm (308 lbs/inch) SpringCOMP Cams Valve Springs, Retainers 744 100 Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams steel retainers are precision machined from chromemoly steel and finished in black oxide. These precision retainers are specifically designed for positive location when combined with COMP Cams high quality valve springs. For superior strength and ultimate stability, both 7 and 10 retainers