1 results for big block chevy 454 long block found in 0.000 seconds

chrysler magnum heads performer rpm bb chevy 454-r · designed for street/high- ... performance big-blocks operating from 2500-7000 rpm · ... flow and velocity over standard big-block heads · highly-efficient 118cc open- ... chamber · high-velocity 315cc long/300cc short intake ports performer rpm ... 454-r intake valve chamber port sizes size ... size in/ex 118cc 315/300cc 2.19 1.88 long/short polished performer rpm 454-r · ... heads marine-duty performer bb chevy rpm 454-o and 454-r price each $759.95 ... for valve spring choices performer rpm 454-o marine oval port intake valve head w/ ... 1.89 ede-61459 $875.95 performer rpm 454-r marine rectangular port intake valve ... 315/300cc 2.25 1.89 ede-61559 $879.95 long/short 1967-1985 chrysler 318-340-360 c. ...