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
COMP Cams Camshaft CRS 283T HR-107 T Th - 20-600-9
COMP Cams
$531.95
- SKU:
- CCA20-600-9
- UPC:
- 036584150954
- Availability:
- Regularly stocked product
- Shipping:
- Calculated at Checkout
- CARB:
- This product is not CARB Legal and not for sale in California
- Clearance Item:
- N
- EPA:
- N/A
- Proposition 65:
- Y
- Special Order:
- Y