Thumpr NSR Hydraulic Roller Camshaft <br> 97-15 GM LS GEN III IV 3-Bolt

Description:

The Stage 1 Thumpr Master Cam Kit for GM LS 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.

Features:

The Stage 2 Thumpr Master Cam Kit for LS GEN III 5.3-6.0L provides an awesome idle lope in modified 5.3L & 6.0L trucks. Includes lifters, timing set, pushrods, LS6+ springs, retainers, locks, spring seats and valve seals.

Kit Type: MK-Kit

Lobe Separation: 113 DD

Intake Valve Lift: 0.663 IN

Exhaust Valve Lift: 0.638 IN

Lifters Included: Yes

Valve Springs Included: Yes

Assembly Lubricant Included: No

Camshaft Gear Attachment: 3-Bolt

Camshaft Material: Billet Steel

Lifter Type: Hydraulic Roller

Retainers Included: Yes

Camshaft Series: Thumpr NSR (No Springs Required)

Locks Included: Yes

Pushrods Included: Yes

Gaskets Included: No

Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)

Stage: 2

Timing Set Included: Yes

Valve Seals Included: Yes

Valve Spring Seats Included: Yes

Usage: Street / Performance

Grind Number: 280LTH13

Estimated Horsepower Gain with Kit: 81

Recommended Upgraded Stock Rocker Arms: 1477-16

Recommended Max-Lift BSR Shaft Rocker System: 1981-16

Recommended Cam Install Kit: 5621

Cam Type: Hydraulic Roller

Grind Number: 280LTH13

Basic Operating RPM Range: 1,800-6,600

Intake Duration at .050 Inch Lift: 226 DD

Exhaust Duration at .050 inch Lift: 237 DD

Advertised Intake Duration: 280 DD

Advertised Exhaust Duration: 299 DD

Package Includes:

Engine Camshaft Kit