Page 121 of 2009 Performance Parts by Ford Racing Performance Parts

cylinder heads turbo-swirl aluminum cylinder heads m-6049-x306 complete head 64 cc chamber the fast easy way to bolt on 65 horsepower true bolt-on performance · for use on 289/302/351 windsor-style · high-quality original equipment style 356-t6 engines aluminum castings machining and components · improved air flow over original gt-40 · each aluminum head weighs approximately 22 lbs aluminum heads ­ approximately 25 lbs lighter than each cast iron · intake flows approximately 240 cfm at gt-40 head .550 lift at 28 of h20 · these gt-40 style heads use agsf-32c spark plugs · exhaust flows approximately 170 cfm at · each gt-40x head is leak tested prior to assembly .500 lift at 28 of h20 · assembled with m-6507-j302 intake valves · machined for 1.94 intake and 1.54 m-6505-g302 exhaust valves m-6513-a50 valve exhaust valve diameters springs the valve springs are compatible with all · unlike some aftermarket heads our gt-40 ford racing roller camshafts heads use either gt-40 or aftermarket · designed to be used on the m-6010-boss302 block performance intake manifolds headers and with head gasket m-6051-cp331 valve covers · intake port volume 178cc exhaust port installation notes volume 62cc · will not fit 1986 5.0l with flat-top pistons unless · high temperature exhaust valve seats pistons are notched for valve relief thick deck for improved sealing increased · must use head bolt kit m-6065-d289 to install section thickness in critical areas for porting cylinder heads on 289/302 blocks or head bolt and and webbed rocker bosses for improved head gasket kit m-6051-a50 and intake gasket strength designed for bolt-on rocker m-9439-a50/a51 arms machined for tapered seat spark · check rocker arm clearance to valve springs with plug or gasketed compatible with ford production rocker arms racing intakes headers and valve train · check your intake manifold for port match not all components can be machined for diagonal intakes are compatible due to the tall high-flow ports exhaust header flange mounting · must use m-9439-a50 intake gasket m-6049-x307 complete head 58 cc chamber ford racing performance parts z aluminum head m-6049-z304d bare head bare head features · uses m-6513-bh beehive style valve springs m-6049-z304da complete head · this cylinder head was designed using with machined retainers and machined valve locks m-6049-z304p cnc ported head solid modeling technology most hydraulic cams can be used with these cast from prime a356 t6 aluminum fits 5.0l/5.8l windsor engines heads are cast with high-flow ports 20 degree inline valves suggested valve sizes 2.02 intake and 1.60 exhaust · requires competition valve job and bowl blending · steel alloy intake and exhaust valve seats installed no valve job · manganese-bronze valve guides installed with semi-finished id · 63cc cnc d combustion chamber · intake port volume as cast 204cc · exhaust port volume as cast 85cc · bare head weighs 27 lbs · accepts both tapered seat and gasket style 14 mm spark plugs motorcraft agsp-32-pp autolite 3924 3925 · requires guide plate m-6566-z304d not included · requires 7/16 screw-in studs not included · requires m-6564-f351 roller rocker arms not included · uses m-6505-b304 exhaust valve and m-6507-a304 intake valve not included · raised exhaust port exit custom headers may be required assembled head features · premium stainless steel 2.02 intake m-6507-a304 and 1.60 m-6505-b304 exhaust valves · · · · · springs 130 lbs 1.800 293 lbs 1.200 and cb 1.085 · includes laser cut guide plates m-6566-z304d for use with 5/16 pushrods and 7/16 rocker studs · requires m-6564-f351 roller rocker arms not included · check piston to valve clearance including radial valve clearance before installing these cylinder heads on your engine · cork valve cover gasket recommended ported head features · cnc ported version of m-6049-z304d cylinder head to increase flow on intake and exhaust · intake and exhaust airflow increased approximately 10 · bare casting typical airflow 28 of h2o depression with 2.02 intake valve 1.60 exhaust valve and competition valve job lift intake as cast flow cnc exhaust as cast flow cnc .050 .100 .150 .200 .250 .300 .350 .400 .450 .500 .550 31.1 64.6 103.0 135.3 167.0 199.0 227.2 245.2 259.8 271.9 277.3 34.4 68.7 108.7 148.7 187.0 225.3 251.7 278.1 296.1 314.1 319.7 26.4 55.8 84.6 113.3 146.8 171.6 190.2 200.4 207.2 212.8 218.1 30.5 61.0 85.7 110.4 134.6 158.8 175.2 191.7 206.6 221.5 227.7 otlegalforsaleoruseonpollution-controlledmotorvehicles directreplacementpart n seepages3-9forimportantsafety,emissionsandwarrantyinformation www.fordracingparts.com 119

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