Page 2 of Cylinder Heads 2008 by Parts Pro

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 state-of-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 exhaust crossover port description part no amc/jeep 67-91 343 360 390 401 complete #60119 60119 performer rpm heads for chevrolet designed for non-emissions 302 327 350 and 400 c.i.d engines up to 1986 these heads made 420 horsepower with the performer rpm power package for small-block chevy s performer rpm heads with 64cc combustion chambers improve performance and retain stock compression ratio on 1970 and earlier small-blocks hardened pushrods are required description sb sb sb sb chevy chevy chevy chevy straight plugs 64cc chamber size complete straight plug 70cc chamber size complete angled plug 64cc chamber size complete angled plug 70cc chamber size complete polished 608919 607319 607119 standard finish 60899 60739 60999 60719 #60899 performer heads for small block chevy designed for pre-86 chevy 302 327 350 and 400 engines 50 state legal design includes an exhaust crossover passage for emissions capability features 170cc intake port and 60cc exhaust port volumes utilizes 1.60 and 2.02 valves and requires hardened pushrods description #60759 sb chevy street legal performer 70cc complete sb chevy street legal performer 64cc complete part no 60759 60909 performer heads for centerbolt small block chevy performance improved for 1987-95 chevy 5.7l engines except lt1,lt4 and lt5 originally equipped with centerbolt valve covers designed for the 87-up intake manifold bolt pattern and either tbi or tuned port injection systems 165cc intake and 60cc exhaust ports description part no #60859 sb chevy centerbolt straight plug 60cc chamber size complete 60859 e-tec 200 heads for small block chevy vortec engines edelbrock e-tec heads fit 302 327 350 and 400 c.i.d engines with vortec style intake manifolds e-tec 200 heads have 200cc rectangular intake ports and 78cc exhaust accepts standard or centerbolt valve covers exhaust ports exit .200 higher than standard heads but work with most stock manifolds description e-tec 200 for sb chevy vortec 64cc complete #60989 part no 60989 performer lt 1 heads for 92 97 lt-1 engines designed for the 1992-97 lt1 engines these aluminum heads have specially designed 170cc intake and 60cc exhaust ports with increased valve sizes 1.94 intake 1.55 exhaust for maximum flow and performance combustion chamber volume is 54cc edelbrock performer lt1 heads made 24 horsepower more than factory-stock lt1 heads and raised the peak power level by 500 rpm performer lt1 heads work with stock or aftermarket self-guiding roller rocker arms description #61909 92 97 lt 1 engines complete part no 61909 124 some parts are not legal for sale or use in california on any pollution controlled motor vehicle.

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