302/351W "X-HEAD" ALUMINUM ASSEMBLED 64CC

302/351W "X-HEAD" ALUMINUM ASSEMBLED 64CC
M-6049-X306
Retail
$699.00
Sold in Units of
Each (1)
Instruction Sheet
Not Available

WARNING:
This part has been designed and is intended for off-highway application only. Installation of this part on a vehicle that is driven on public roads may violate U.S. and Canadian laws and regulations relating to emission requirements and motor vehicle safety standards.
Proudly Made in the USA

NEW AND IMPROVED, NOW ASSEMBLED WITH BEEHIVE SPRINGS AND HARDWARE FAST, EASY WAY TO BOLT ON 65 HORSEPOWER! TRUE BOLT-ON PERFORMANCE

  • For use on 289/302/351 Windsor-style engines
  • Intake flows approximately 240 cfm at .550" lift (at 28" of H20)
  • Exhaust flows approximately 170 cfm at .500" lift (at 28" of H20)
  • Machined for 1.94" Intake and 1.54" exhaust valve diameters
  • Ford racing X-heads use either GT-40 or aftermarket performance intake manifolds. Check your intake manifold for port match; not all intakes are compatible due to the tall high-flow ports. Does not fit M-9424-Z51/-Z51P
  • Combustion chamber volume 64cc
  • Intake port volume 178cc, exhaust port volume 62cc
  • High temperature exhaust valve seats. Bronze guides.
  • Designed for bolt-on rocker arms, machined for gasket seat spark plug. Compatible with some Ford Racing intakes, headers, and valve train components.
  • High quality original equipment style 356-T6 aluminum castings, machining and components
  • Each aluminum head weighs approximately 22 lbs. approximately 25 lbs. lighter than each production cast iron head
  • These GT-40 style heads use AGSP-32C spark plugs
  • Each head is leak tested prior to assembly
  • Assembled with M-6507-J302 intake valves, M-6505-G302 exhaust valves, PAC® 1219X Ovate™ Beehive valve springs.  Closed spring pressure is 145#@1.800"  358# @1.175".  Compatible with all Ford Racing roller camshafts and aftermarket hydraulic roller camshafts up to .600 lift.
  • Feature 10-degree locks, steel valve spring retainers and stock valve seals
  • Designed to be used on Ford Racing Boss blocks M-6010-BOSS302, M-6010-B302BB, M-6010-BOSS35195M-6010-BOSS35192 and M-6010-BOSS351BB blocks. Head Bolts M-6065-BOSS or Head Stud Kit M-6014-BOSS and Head Gasket M-6051-CP331/S331, or Big Bore application M-6051-R351 recommended.
  • Must use head bolt kit M-6065-D289 to install cylinder heads on 289/302 production blocks or head bolt and head gasket kit M-6051-A50
  • Designed for bolt-down rocker arms part number M-6564-B351 for a 1.6 ratio. Use part number M-6564-A50 for a 1.7 ratio. Check rocker arm clearance to valve springs with production rocker arms
  • Uses Felpro® exhaust gasket part number 1415
  • NOTE: Will not fit 1986 5.0L with flat-top pistons unless pistons are notched for valve relief



Part Type
Engine: Cylinder Heads
Warranty Availability
Not Available
Packaged Dimensions
9" x 7.5" x 23
Packaged Weight
26.7 lb(s)
Part Type
Engine: Cylinder Heads
UPC Code
756122099957
Catalog Page Number
166
Country of Origin
United States
California Executive Order
No