HYDRAULIC - Thumpr: High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
Product Features:- HYDRAULIC - Thumpr: High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
- 279/296 Advertised Duration, 227/241 Duration @ .050", .498"/.483" Lift, 107 Lobe Separation
- Valve spring upgrade required