Thumpr hydraulic flat tappet and roller camshafts are the hottest cam series to hit the streets in more than a decade. Street rodders and muscle car enthusiasts just cant get enough of the incredible exhaust sound and equally impressive performance delivered by these innovative camshafts. Applying a new camshaft design they incorporate early exhaust opening, long duration and a generous amount of intake and exhaust overlap to maximize your engines nasty-idle characteristics without negatively impacting power or street ability.
[email protected] [email protected] Gross/Lift Lobe/Sep
227/241 283/303 .531/.515 107
THUMPR High performance street, choppy/thumping
idle, stock converter ok, best with 2000+ converter and gears. Requires bronze
distributor gear. Power range S/B 2000-5800 B/B 1800-5600.