Article no.:
01-601-8
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COMP Cams Camshaft CBVI 291Th R7 Thumper
Unleash the full potential of your Chevrolet Big Block GEN VI engine with the COMP Cams Mutha' Thumpr 291THR7 Camshaft. Designed for high-performance street and strip applications, this hydraulic roller camshaft requires 9:1 compression, 2500+ stall, intake, gears, and headers to deliver its full potential.
With its 291/311 advertised duration, 235/249 duration at.050", and.557"/.542" lift, this camshaft is not for the faint of heart. A rough idle and adjustable valve train are required to tame this beast.
- High-performance street and strip camshaft
- Requires 9:1 compression, 2500+ stall, intake, gears, and headers
- 291/311 advertised duration, 235/249 duration at.050"
- .557"/.542" lift, 107 lobe separation
- Adjustable valve train required
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| Chevrolet | C2500 | 1996 | Base |
| Chevrolet | C2500 | 1996 | Cheyenne |
| Chevrolet | C2500 | 1996 | Silverado |
| Chevrolet | C2500 | 1997 | Base |
| Chevrolet | C2500 | 1997 | Cheyenne |
| Chevrolet | C2500 | 1997 | Silverado |
| Chevrolet | C2500 | 1998 | Cheyenne |
| Chevrolet | C2500 | 1998 | Silverado |
| Chevrolet | C2500 | 1998 | WT |
| Chevrolet | C2500 | 1999 | Base |
| Chevrolet | C2500 | 1999 | LS |
| Chevrolet | C2500 | 2000 | Base |
| Chevrolet | C2500 | 2000 | LS |
| Chevrolet | C2500 Suburban | 1996 | Base |
| Chevrolet | C2500 Suburban | 1996 | LS |
| Chevrolet | C2500 Suburban | 1996 | LT |
| Chevrolet | C2500 Suburban | 1997 | Base |
| Chevrolet | C2500 Suburban | 1997 | LS |
| Chevrolet | C2500 Suburban | 1997 | LT |
| Chevrolet | C2500 Suburban | 1998 | Base |
| Chevrolet | C2500 Suburban | 1998 | LS |
| Chevrolet | C2500 Suburban | 1999 | Base |
| Chevrolet | C2500 Suburban | 1999 | LS |
| Chevrolet | C3500 | 1996 | Base |
| Chevrolet | C3500 | 1996 | Cheyenne |
| Chevrolet | C3500 | 1996 | Silverado |
| Chevrolet | C3500 | 1997 | Base |
| Chevrolet | C3500 | 1997 | Cheyenne |
| Chevrolet | C3500 | 1997 | Silverado |
| Chevrolet | C3500 | 1998 | Cheyenne |
| Chevrolet | C3500 | 1998 | Silverado |
| Chevrolet | C3500 | 1999 | Base |
| Chevrolet | C3500 | 1999 | LS |
| Chevrolet | C3500 | 2000 | Base |
| Chevrolet | C3500 | 2000 | LS |
| Chevrolet | Express 3500 | 1996 | Base |
| Chevrolet | Express 3500 | 1996 | LS |
| Chevrolet | Express 3500 | 1997 | Base |
| Chevrolet | Express 3500 | 1997 | LS |
| Chevrolet | Express 3500 | 1998 | Base |
| Chevrolet | Express 3500 | 1998 | LS |
| Chevrolet | Express 3500 | 1999 | Base |
| Chevrolet | Express 3500 | 1999 | LS |
| Chevrolet | Express 3500 | 2000 | Base |
| Chevrolet | Express 3500 | 2000 | LS |
| Chevrolet | G30 | 1996 | Beauville |
| Chevrolet | G30 | 1996 | Chevy Van |
| Chevrolet | G30 | 1996 | Hi-Cube |
| Chevrolet | G30 | 1996 | Sportvan |
| Chevrolet | K2500 | 1996 | Base |
| Chevrolet | K2500 | 1996 | Cheyenne |
| Chevrolet | K2500 | 1996 | Silverado |
| Chevrolet | K2500 | 1997 | Base |
| Chevrolet | K2500 | 1997 | Cheyenne |
| Chevrolet | K2500 | 1997 | Silverado |
| Chevrolet | K2500 | 1998 | Cheyenne |
| Chevrolet | K2500 | 1998 | Silverado |
| Chevrolet | K2500 | 1998 | WT |
| Chevrolet | K2500 | 1999 | Base |
| Chevrolet | K2500 | 1999 | LS |
| Chevrolet | K2500 | 2000 | Base |
| Chevrolet | K2500 | 2000 | LS |
| Chevrolet | K2500 Suburban | 1996 | Base |
| Chevrolet | K2500 Suburban | 1996 | LS |
| Chevrolet | K2500 Suburban | 1996 | LT |
| Chevrolet | K2500 Suburban | 1997 | Base |
| Chevrolet | K2500 Suburban | 1997 | LS |
| Chevrolet | K2500 Suburban | 1997 | LT |
| Chevrolet | K2500 Suburban | 1998 | Base |
| Chevrolet | K2500 Suburban | 1998 | LS |
| Chevrolet | K2500 Suburban | 1999 | Base |
| Chevrolet | K2500 Suburban | 1999 | LS |
| Chevrolet | K3500 | 1996 | Base |
| Chevrolet | K3500 | 1996 | Cheyenne |
| Chevrolet | K3500 | 1996 | Silverado |
| Chevrolet | K3500 | 1997 | Base |
| Chevrolet | K3500 | 1997 | Cheyenne |
| Chevrolet | K3500 | 1997 | Silverado |
| Chevrolet | K3500 | 1998 | Cheyenne |
| Chevrolet | K3500 | 1998 | Silverado |
| Chevrolet | K3500 | 1999 | Base |
| Chevrolet | K3500 | 1999 | LS |
| Chevrolet | K3500 | 2000 | Base |
| Chevrolet | K3500 | 2000 | LS |
| Chevrolet | P30 | 1996 | Base |
| Chevrolet | P30 | 1997 | Base |
| Chevrolet | P30 | 1998 | Base |
| Chevrolet | P30 | 1999 | Base |
| GMC | C2500 | 1996 | Sierra SL |
| GMC | C2500 | 1996 | Sierra SLE |
| GMC | C2500 | 1996 | Sierra SLT |
| GMC | C2500 | 1997 | Sierra SL |
| GMC | C2500 | 1997 | Sierra SLE |
| GMC | C2500 | 1997 | Sierra SLT |
| GMC | C2500 | 1998 | Sierra SL |
| GMC | C2500 | 1998 | Sierra SLE |
| GMC | C2500 | 1998 | Sierra SLT |
| GMC | C2500 | 1999 | Sierra SL |
| GMC | C2500 | 1999 | Sierra SLE |
| GMC | C2500 | 1999 | Sierra SLT |
COMP Cams manufactures camshafts and other valvetrain components. Products include everything from valve springs and hardware to pushrods, lifters, and even intake manifolds. COMP Cams’ history of producing high quality parts for everything from street cars to Pro Stock and Sprint Cup teams has proven their place in the market. The same technology used to develop parts for NASCAR and NHRA is used in all of their performance parts, down to the very basic street setup.
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