Big Mutha' Thumpr 243/257 Hydraulic Roller GK-Kit for Chevrolet Big Block 396-454. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears, and headers, very rough idle.
- CARB:
- This product is not CARB Legal and not for sale in California
- Category:
- Engine Components>Camshafts
- Core:
- N
- LTL:
- N
- MPN:
- GK11-602-8
- Proposition 65:
- Y
- Special Order:
- Y
- Clearance Item:
- N
