Description
Stage 1 Thumpr Master Cam Kit for GEN IV LS 4.8/5.3/6.0L TrucksThe 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 lifterstiming setPushrodsLS6+ springsretainerslocksspring seats and Seals.See MK54-703-11 for Stage 2 Master Cam Kit.
Advertised Exhaust Duration: 295 DD
Advertised Intake Duration: 276 DD
Assembly Lubricant Included: No
Basic Operating RPM Range: 1 800-6 400 R3
Cam Type: Hydraulic Roller
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Camshaft Series: Thumpr NSR (No Springs Required)
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Estimated Horsepower Gain with Kit:75 HJ
Exhaust Duration at .050″ Lift: 233 DD
Exhaust Valve Lift: 0.536″
Gaskets Included: No
Grind Number: 276LTH12
Intake Duration at .050″ Lift: 222 DD
Intake Valve Lift: 0.541″
Kit Type:MK-Kit
Lifter Type: Hydraulic Roller
Lifters Included: Yes
Lobe Separation: 112 DD
Locks Included: Yes
Pushrods Included: Yes
Recommended Cam Install Kit: 5621
Recommended Max-Lift BSR Shaft Rocker System: 1981-16
Recommended Upgraded Stock Rocker Arms: 1477-16
Retainers Included: Yes
Stage: 1
Timing Set Included:Yes
Usage: Street / Performance
Valve Seals Included: Yes
Valve Spring Seats Included: Yes
Valve Springs Included: Yes
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