Page 1 of LS1/LS7 Chevrolet Warhawk Cylinder Heads by World Products

warhawk 15° ls1x a high performance alternative to chevrolet ls1 cylinder heads valve and rocker arm attachment angles are both 15° to ensure optimum valve train geometry even when longerthan-stock valves are employed highly efficient exhaust ports valve cover rails raised .300 to provide clearance for aftermarket rocker arms thick .750 deck made from 355-t6 high density aluminum alloy generous 220cc intake runners provide excellent flow technical specifications material 355-t6 alloy high density aluminum thick .750 deck valve seats steel intake hardened steel exhaust valve guides bronze valve spring seats machined for 1.550 springs intake valve size 2.080 exhaust valve size 1.600 all stems are 5/16 valve angle 15° same as rocker arm attachment intake runners 220cc combustion chambers choice of 64cc or 72cc valve cover rails raised .300 to clear aftermarket rockers assemblies choice of 2 spring/valve packages plus bare heads designed primarily for high performance street applications warhawk® ls1x 15° heads represent significant improvements over factory heads and are second to none when compared to other aftermarket versions available 220cc intake runners enabling engine builders to get the optimum balance of air flow and velocity another key improvement of the warhawk® is that both the valve centerline and rocker arm attachment are parallel at 15° to assure correct geometry even when longer-than-stock valves are used enjoy significant out of the box power increases with warhawk ls1x heads warhawk 220cc aluminum ls1 chevrolet 15° heads 2.080 x 1.600 valves 025150 025150-2 025150-3 025250 025250-2 025250-3 warhawk 220cc alum warhawk 220cc alum warhawk 220cc alum warhawk 220cc alum warhawk 220cc alum warhawk 220cc alum bare flat tappet/hyd rlr solid roller bare flat tappet hyd rlr solid roller none manley race master 2.080 int manley severe duty 2.080 int none manley race master 2.080 int manley severe duty 2.080 int none 1.437 dual 125 seat 1.550 dual 200 seat none 1.437 dual 125 seat 1.550 dual 200 seat .600 .700 .600 .700 64cc 64cc 64cc 72cc 72cc 72cc 22 rev 2/07 cylinder heads

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