HYDRAULIC – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
Product Features
- HYDRAULIC – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
- 295/313 Advertised Duration, 243/257 Duration @ .050 inch, .500 inch/.486 inch Lift, 107 Lobe Separation
- Valve spring upgrade required
Sounds great Great cam a lot of top end power. Idle is rough sounding
Five Stars Excellent products at great prices and fast shipping.
Five Stars sounds and was packaged great