See MK54-703-11 for Stage 2 Master Cam Kit.
The Stage 1 Thumpr Master Cam Kit for LS GEN IV 4.8-6.0L is the perfect choice for a strong idle lope with great power gains in 4.8-5.3L trucks. Includes lifters, timing set, pushrods, LS6+ springs, retainers, locks, spring seats and seals.
The Stage 1 Thumpr Master Cam Kit for LS Gen IV 4.8-6.0L is the perfect choice for sound and power in performance trucks. Includes lifters, timing set, Pushrods, LS6+ springs, retainers, locks, spring seats and Seals.
