Description
Stage 2 Thumpr Cam Kit for GEN IV LS 4.8/5.3/6.0L TrucksThe Stage 2 Thumpr Cam Kit for LS Gen IV 5.3-6.0L provides an awesome idle lope in modified 5.3L and 6.0L trucks. Includes PushrodsSee CK54-703-11 for Cam Kit that includes lifters and a timing set.
Advertised Exhaust Duration: 299 DD
Advertised Intake Duration: 282 DD
Assembly Lubricant Included: No
Basic Operating RPM Range: 1 800-6 600 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:89 HJ
Exhaust Duration at .050 inch Lift: 237 DD
Exhaust Valve Lift: 0.612″
Gaskets Included: No
Grind Number: 282LTH13
Intake Duration at .050″ Lift: 227 DD
Intake Valve Lift: 0.614″
Kit Type:CK-Kit
Lifter Type: Hydraulic Roller
Lifters Included: No
Lobe Separation: 113 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: 2
Timing Set Included: No
Usage: Street / Performance
Valve Seals Included: Yes
Valve Spring Seats Included: Yes
Valve Springs Included: Yes
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