Ford Racing 302/351W Ford Racing "Sportsman" Short Track Cast Iron Cylinder Head M-6049-N351

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Brand: Ford Racing



The N351 Sportsman Cylinder Head has been retooled and is now in stock and ready to ship.
Designed for Ford engines in NASCAR Late Model Stock Cars, IMCA, WISSOTA, UARA, and most other stock car sanctioning groups on 351W engines. Developed by Ford Racing with the help of Robert Yates.

  • Bare Head (64cc Chamber)
  • For use in NASCAR Late Model Stock, WISSOTA, I.M.C.A., D.I.R.T., and most other stock car sanctioning groups on 351W engines
  • Intake and exhaust valves have been moved .070" to unshroud the intake valve
  • Valve angle changed from 20 degress to 10 degress for further improved air flow
  • Intake port volume 200cc, exhaust port volume 82cc ( /- 2cc nominal)
  • Thick deck and reinforced structure for improved sealing, increased section thickness in critical areas and webbed rocker bosses for improved strength.
  • This head can be milled flat up to 0.150-inch, which will yield approximately a 42.0cc combustion chamber volume.
  • Designed for stud mount rocker arms. Compatible with stock and Ford Racing intake M-9424-N302
  • These heads use .708" reach taper seat spark plugs



  • Uses Felpro exhaust gasket part number 1427
  • Requires M-6564-F351C or M-6564-F351 roller rocker arms with .150" offset intake puchrod cup (not included)
  • Unique header flange required
  • Check head bolt length, may require non-stock length headbolt.
  • Parts to assemble M-6049-N351*: M-6527-C311* Rocker Arm Studs (package of 16) M-6505-A351* High-flow Stainless Steel Exhaust Valve, M-6507-A351* High-flow Stainless Steel Intake Valve, M-6514-A50* Retainers (package of 16)


N351 Sportsman Head Product Specs

Additional Info

Additional Information

Part Number M-6049-N351
Weight 51.0000

Quick Overview

The N351 Sportsman cylinder head has been retooled and is now in stock and ready to ship.
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