New and improved, "X2" aluminum cylinder head is manufactured from premium 356-T6 and is assembled with premium valve train components. Ideal for street/strip small block Ford 302-351W applications, head includes 188cc intake runners and 64cc combustions chambers, and is assembled with stainless steel 1.940" intake and 1.540" exhaust valves, PAC beehive valve springs, 10ø retainers and locks, and OEM-style valve seals. Sold each.
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- 64cc
- Combustion Chamber Style:
- N/A
- CNC-Machined Intake Runner:
- No
- Intake Runner Volume (cc):
- 188cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 20 degree
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- 63cc
- Exhaust Port Shape:
- Rectangular
- Exhaust Port Location:
- Standard
- Exhaust Valve Angle:
- 20 degree
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 1.940 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.540 in.
- Valve Type:
- Stainless
- Maximum Valve Lift (in.):
- 0.600 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Single
- Outside Diameter of Outer Spring (in.):
- 1.207 in.
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Bronze
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Steel
- Valve Seat Machine Style:
- 3-angle
- Retainers Included:
- Yes
- Retainer Material:
- Steel
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- Positive stop
- Locks Included:
- Yes
- Lock Style:
- 10 degree Steel
- Camshaft Style:
- Hydraulic roller
- Spark Plug Style:
- Angled
- Guideplates Included:
- No
- Guideplate Pushrod Size:
- N/A
- Rocker Arm Studs Included:
- No
- Rocker Arm Nut Thread Size:
- N/A
- Accessory Bolt Holes Drilled:
- Yes
- Valve Cover Mounting Style:
- Perimeter bolt
- Heat Crossover:
- No
- Steam Holes Drilled:
- No
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold individually.
- Notes:
- Requires head bolt kit FMS-M-6065-D289 when installing heads on factory 289 or 302 block. Does not fit 1986 5.0L with flat-top pistons unless pistons are notched for valve relief.
- Make:
- Ford
- Engine Family:
- Ford small block Windsor
- Engine Sizes:
- 4.7L/289-5.8L/351
- Years:
- 1963-2001