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Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain always puts the engine in its powerband. Additionally, Thumpr camshafts typically deliver reduced vacuum at idle, making a vacuum canister, pump or hydroboost a requirement for vehicles running power brakes.
Catalog
User 1
This Part Fits:
Catalog
User 1
This Part Fits:
Year | Make | Model | Submodel |
---|---|---|---|
1996-1997,1999-2000 | Chevrolet | C2500 | Base |
1996-1998 | Chevrolet | C2500 | Cheyenne |
1999-2000 | Chevrolet | C2500 | LS |
1996-1998 | Chevrolet | C2500 | Silverado |
1998 | Chevrolet | C2500 | WT |
1996-1999 | Chevrolet | C2500 Suburban | Base |
1996-1999 | Chevrolet | C2500 Suburban | LS |
1996-1997 | Chevrolet | C2500 Suburban | LT |
1996-1997,1999-2000 | Chevrolet | C3500 | Base |
1996-1998 | Chevrolet | C3500 | Cheyenne |
1999-2000 | Chevrolet | C3500 | LS |
1996-1998 | Chevrolet | C3500 | Silverado |
1996-2000 | Chevrolet | Express 3500 | Base |
1996-2000 | Chevrolet | Express 3500 | LS |
1996 | Chevrolet | G30 | Beauville |
1996 | Chevrolet | G30 | Chevy Van |
1996 | Chevrolet | G30 | Hi-Cube |
1996 | Chevrolet | G30 | Sportvan |
1996-1997,1999-2000 | Chevrolet | K2500 | Base |
1996-1998 | Chevrolet | K2500 | Cheyenne |
1999-2000 | Chevrolet | K2500 | LS |
1996-1998 | Chevrolet | K2500 | Silverado |
1998 | Chevrolet | K2500 | WT |
1996-1999 | Chevrolet | K2500 Suburban | Base |
1996-1999 | Chevrolet | K2500 Suburban | LS |
1996-1997 | Chevrolet | K2500 Suburban | LT |
1996-1997,1999-2000 | Chevrolet | K3500 | Base |
1996-1998 | Chevrolet | K3500 | Cheyenne |
1999-2000 | Chevrolet | K3500 | LS |
1996-1998 | Chevrolet | K3500 | Silverado |
1996-1999 | Chevrolet | P30 | Base |
1996-2000 | GMC | C2500 | Sierra SL |
1996-2000 | GMC | C2500 | Sierra SLE |
1996-2000 | GMC | C2500 | Sierra SLT |
1996-1999 | GMC | C2500 Suburban | Base |
1996-1999 | GMC | C2500 Suburban | SLE |
1996-1999 | GMC | C2500 Suburban | SLT |
1996-2000 | GMC | C3500 | Sierra SL |
1996-2000 | GMC | C3500 | Sierra SLE |
1996-2000 | GMC | C3500 | Sierra SLT |
1996 | GMC | G3500 | Magnavan |
1996 | GMC | G3500 | Rally |
1996 | GMC | G3500 | Rally Camper Special |
1996 | GMC | G3500 | Rally STX |
1996 | GMC | G3500 | Vandura |
1996 | GMC | G3500 | Vandura Special |
1996-2000 | GMC | K2500 | Sierra SL |
1996-2000 | GMC | K2500 | Sierra SLE |
1996-2000 | GMC | K2500 | Sierra SLT |
1996-1999 | GMC | K2500 Suburban | Base |
1996-1999 | GMC | K2500 Suburban | SLE |
1996-1999 | GMC | K2500 Suburban | SLT |
1996-2000 | GMC | K3500 | Sierra SL |
1996-2000 | GMC | K3500 | Sierra SLE |
1996-2000 | GMC | K3500 | Sierra SLT |
1996-1999 | GMC | P3500 | Base |
1996-2000 | GMC | Savana 3500 | Base |
1996-2000 | GMC | Savana 3500 | SLE |
We use UPS, FedEx, DHL, and USPS for deliveries. We are not responsible for any shipping problems and shall not be held liable for any "reasonable" delay beyond our advertised delivery time-frames. Shipment by Ground Courier can take up to 15 business days for delivery. Express Courier can take up to 3 business days for delivery. Shipping time frames are once the order has been processed. Due to high demand, order processing can take 5 to 7 business days.