Description

Stage 2 Thumpr Cam Kit for GEN IV LS 4.8/5.3/6.0L Trucks The 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 Pushrods See CK54-703-11 for Cam Kit that includes lifters and a timing set.

• Specifications

  • 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

• Product Fits

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  • Chevrolet Silverado 1500 Classic 2007-2007
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