high performance 2006 parts pro master catalog edelbrock cylinder heads cast at the ultramodern edelbrock aluminum foundry edelbrock heads are made from a356 aluminum and heat treated to t-6 specs our stateof-the-art manufacturing facility 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 hardened seats and bronze valve guides minimum 9/16 deck thickness 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 torque increases to owners of 1967-91 amc and jeep 343 360 390 and 401 engines features an efficient 54cc dual-quench combustion chamber a reconfigured intake valve seat angle improves mid-to high lift flow requires step washer kit for 1969 and earlier engines with 7/16 head bolts no exha
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2006 parts pro master catalog high performance edelbrock cylinder heads cast at the ultramodern edelbrock aluminum foundry edelbrock heads are made from a356 aluminum and heat treated to t-6 specs our stateof-the-art manufacturing facility 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 hardened seats and bronze valve guides minimum 9/16 deck thickness 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 big block chevy edelbrock offers heads for the 396-502 family of chevrolet engines in either oval or rectangular port configurations the 60459 oval port head utilizes 290cc intake ports and a semi-open chamber design that excels in engines with streetable compression ratios the 60559 rectangular port head features an 118cc open
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high performance 2006 parts pro master catalog cylinder heads accessories cast at the ultramodern edelbrock aluminum foundry edelbrock heads are made from a356 aluminum and heat treated to t-6 specs our stateof-the-art manufacturing facility 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 hardened seats and bronze valve guides minimum 9/16 deck thickness 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 small block ford bolt-on horsepower for ford 289 302 and 351w engines delivers maximum power in the 1500-6500 rpm range for high performance street applications the 60229 head utilizes 1.90 intake valves to provide adequate clearance for stock piston configurations 60259 requires aftermarket pistons notched for valve clearan
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2006 parts pro master catalog high performance racing head servicetm racing head servicetm a dominant force in the history of cylinder head technology is back with a vengeance utilizing the acquired resources of pro topline cylinder heads in combination with the industry s largest engineering team and the most advanced cylinder head manufacturing foundry in the world rhstm has re-emerged as the performance cylinder head leader right out of the box racing head servicetm out of the box performance pro topline cylinder heads are now known as rhs in combination with the industry s largest engineering team and the most advanced cylinder head manufacturing foundry in the world rhstm has re-emerged as the performance cylinder head leader incorporating an advanced vertically integrated manufacturing process rhstm executes cylinder head creation from concept through final machining all in one location gone are the days of purchasing new cylinder heads only to discover that extensive fina
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