Stage 1 Thumpr? 218/229 Hydraulic Roller Cam for GEN III LS 4.8/5.3/6.0L Trucks. Perfect choice for sound & power in performance truck applications. Budget friendly, No Springs Required (NSR) version of extremely popular Thumpr? designs.
- Cam Style:
- Hydraulic roller tappet
- Basic Operating RPM Range:
- 1,500-6,300
- Intake Duration at .050 inch Lift:
- 218
- Exhaust Duration at .050 inch Lift:
- 229
- Duration at .050 inch Lift:
- 218 int./229 exh.
- Advertised Intake Duration:
- 272
- Advertised Exhaust Duration:
- 291
- Advertised Duration:
- 272 int./291 exh.
- Intake Valve Lift with Factory Rocker Arm Ratio:
- 0.541 in.
- Exhaust Valve Lift with Factory Rocker Arm Ratio:
- 0.530 in.
- Valve Lift with Factory Rocker Arm Ratio:
- 0.541 int./0.530 exh.
- Lobe Separation (degrees):
- 111
- Computer-Controlled Compatible:
- Yes
- Material:
- Billet Steel
- Camshaft Gear Attachment:
- 3-bolt
- Valve Springs Required:
- Yes
- Grind Number:
- N/A
- Camshaft Manufacturers Description:
- Stage 1 Thumpr? GEN III LS 4.8/5.3/6.0L Trucks. Perfect choice for sound & power in performance truck applications. Budget friendly, No Springs Required (NSR) version of extremely popular Thumpr? designs.
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 4.8L/294-7.0L/427
- Years:
- 1997-2019
