camshaft mechanical roller advertised duration 300/300 lift .663/.663 ford 429-460 each

CC-34-700-9:
MECHANICAL ROLLER - Street/strip performance, 10:1+ compression, 2200+ stall, headers, choppy idle.

CC-34-710-9:
MECHANICAL ROLLER - Ultimate Pro Street cam 4000+ stall/4 speed, 11:1+ compression, radical idle.