1 results for 2009 chevy 454 big blocks 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- ... /300cc short intake ports performer rpm 454-r intake valve chamber port sizes size ... 1.88 long/short polished performer rpm 454-r · smaller-than-stock 11/32 valve stems ... 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 ...