COMP Cams Stage 2 Thumpr 227/237 Master Camshaft Kit GEN4 LS 4.8/5.3/6.0L - MK54-703-11

7 Steel Retainer Set of 16 for GM GEN III w/ 26915/26918 Beehive Springs

The Stage 2 Thumpr Master Cam Kit for LS GEN IV 5.3-6.0L provides an awesome idle lope in modified 5.3L & 6.0L trucks. Includes lifters, timing set, pushrods, dual springs, retainers, locks, spring seats and valve seals.

• LST camshafts excel in the 6,700 to 7,300 RPM range, allowing engines not only to turn more RPM, but also to make more power in this range.
• Promotes excellent shift recovery in manual transmission applications: ensuring your engine stays in its power band.
• Excellent long-term durability when used with appropriately matched components found in CK and MK camshaft kits.
• LST camshafts excel in the 6,700 to 7,300 RPM range, allowing engines not only to turn more RPM, but also to make more power in this range.
• Promotes excellent shift recovery in manual transmission applications: ensuring your engine stays in its power band.
• LST increases RPM potential by pre-loading the valve train before the lifter reaches the more aggressive part of the camshaft lobe.
• Reduces initial ‘shock to the valve train that allows for higher engine RPM.
• Excellent long-term durability when used with appropriately matched components found in CK and MK camshaft kits.