ENGINE COMPONENTS 302/351W NEW AND IMPROVED, NOW ASSEMBLED WITH BEEHIVE SPRINGS AND HARDWARE. “X” HEAD FAST, EASY WAY TO BOLT ON 65 HORSEPOWER! TRUE BOLT-ON PERFORMANCE ALUMINUM ASSEMBLED 64CC • For use on 289/302/351 Windsor-style engines firstname.lastname@example.org" 318# @1.200". Compatible with M-6049-X306 • (at 28" of H20) hydraulic roller camshafts up to .600 lift.all Ford Racing roller camshafts and aftermarketIntake flows approximately 240 cfm at .550" lift Assembled head (64cc chamber) • Exhaust flows approximately 170 cfm at .500" • Feature 10-degree locks, steel valve spring M-6049-X307 lift (at 28" of H20) retainers and stock valve seals Assembled head (58cc chamber) • Machined for 1.94" intake and 1.54" exhaust • Designed to be used on Ford Racing BOSS blocks valve diameters M-6010-BOSS302, M-6010-B302BB, M-6010- • Ford Racing “X” heads use either GT-40 or BOSS35195, M-6010-BOSS35192 and M-6010- aftermarket performance intake manifolds BOSS351BB blocks. Head Bolts M-6065-BOSS or • Intake port volume 178cc, exhaust port Head Stud Kit M-6014-BOSS and Head Gasket volume 62cc M-6051-CP331/S331, or Big Bore application • High-temperature exhaust valve seats. M-6051-R351 recommended Bronze guides • Must use head bolt kit M-6065-D289 to install • Designed for bolt-on rocker arms, machined for cylinder heads on 289/302 production blocks gasket seat spark plug. Compatible with some or head bolt and head gasket kit M-6051-A50 Ford Racing intakes, headers, and valve train Check your intake manifold for port match; not components all intakes are compatible due to the tall high- • High-quality original equipment style 356-T6 flow ports. Does not fit M-9424-Z51/-Z51P aluminum castings, machining and components • Must use M-9439-A50 intake manifold gasket • Each aluminum head weighs approximately • Designed for bolt-down rocker arms Part No. 22 lbs, approximately 25 lbs lighter than each M-6564-B351 for a 1.6 ratio. Use Part No. production-cast iron head M-6564-A50 for a 1.7 ratio. Check rocker arm • These GT-40 style heads use AGSP-32C clearance to valve springs with production spark plugs rocker arms • Each head is leak tested prior to assembly • Uses Fel-Pro® exhaust gasket Part No. 1415 • Assembled with M-6507-J302 intake valves, • NOTE: Will not fit 1986 5.0L with flat-top M-6505-G302 exhaust valves, M-6513-BH pistons unless pistons are notched for valve relief Beehive valve springs. Closed spring pressure is 302/351W “Z-HEAD” ALUMINUM HEAD – BARE HEAD FEATURES • Raised exhaust port exit, custom headers may BARE 63CC • Fits 302/351 Windsor engines be required M-6049-Z304D Bare head • This cylinder head was designed using Solid • Check your intake manifold for port match; M-6049-Z304DA Assembled head Modeling Technology not all intakes are compatible due to the tall M-6049-Z304P CNC-ported head • Cast from prime A356 T6 aluminum high-flow ports. Does not fit M-9424-Z51/-Z51P® exhaust gasket Part No. 1487Uses Fel-Pro•Heads are cast with high-flow ports• • 20-degree inline valves • Fel-Pro® VS13264T valve cover • Suggested valve sizes: 2.02" intake and gasket recommended 1.60" exhaust ASSEMBLED HEAD FEATURES • Requires competition valve job and • Premium stainless steel 2.02" intake bowl blending M-6507-A304 and 1.60" M-6505-B304 • Steel alloy intake and exhaust valve seats exhaust valves installed (no valve job) • Uses M-6513-BH Beehive valve springs • Manganese-bronze valve guides installed with with machined retainers and machined valve semi-finished ID locks. Most hydraulic cams can be used with • 63cc CNC'd combustion chamber these springs; 142# @ 1.750", 318 lbs @ 1.200" • Intake port volume as cast: 204cc and CB @ 1.150" • Exhaust port volume as cast: 85cc • Includes laser cut guide plates M-6566-Z304D • Bare head weighs 27 lbs for use with 5/16" push rods and 7/16" • Accepts both tapered seat and gasket style rocker studs 14 mm spark plugs (Motorcraft® AGSP-32-PP, • Check piston-to-valve clearance including radial- Autolite® 3924, 3925) valve clearance before installing these cylinder • Requires guide plate M-6566-Z304D heads on your engine (not included) CNC-PORTED HEAD FEATURES • Requires 7/16" screw-in studs (not included). • CNC-ported version of M-6049-Z304D cylinder Requires M-6564-F351 1.65:1 or M-6564-G351C head to increase flow on intake and exhaust 1.5:1 ratio roller rocker arms with .150" offset • Intake and exhaust airflow increased intake push rod cup (not included) approximately 10% • Uses M-6505-B304 exhaust valve and • Bare casting M-6507-A304 intake valve (not included) • Uses Fel-Pro® exhaust gasket Part No. 1487 For important information about the proper usage of performance parts, please see page 14. 106 Techline (800) FORD788 See pages 286-292 for important safety, emissions and warranty information.
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