edelbrock cylinder heads cast at the ultramodern edelbrock ... aluminum foundry edelbrock heads are made from a356 aluminum and heat ... uses the latest cnc machining centers for high-degree of accuracy features for ... all edelbrock heads include threaded inserts in rocker ... studs and exhaust manifold bolt holes for superior strength and durability ... fully machined valve cover rails for a more consistent gasket seal and all ... edelbrock heads are designed to accept high-lift cams ... performer rpm heads for amc/jeep edelbrock now offers power and ... high lift flow requires step washer kit for 1969 and earlier engines with 7/16 ... complete #60119 60119 performer rpm heads for chevrolet designed for non- ... and 400 c.i.d engines up to 1986 these heads made 420 horsepower with the performer ...
edelbrock cylinder heads cast at the ultramodern edelbrock ... aluminum foundry edelbrock heads are made from a356 aluminum and heat ... uses the latest cnc machining centers for high-degree of accuracy features for ... all edelbrock heads include threaded inserts in rocker ... studs and exhaust manifold bolt holes for superior strength and durability ... fully machined valve cover rails for a more consistent gasket seal and all ... edelbrock heads are designed to accept high-lift cams ... rpm xtreme for ls semi-cnc designed for 1997 and later gen iii ls series ... single part no 61949 #61949 rpm xtreme for lt4 semi-cnc stock replacement for 1995 ... -96 lt4 and performance upgrade for 1992-97 lt1 engines fully cnc machined ... combustion chambers retain the stock lt4 compression ratio of 10.8:1 and will ...