BOSS 302R LH CYLINDER HEAD ASSEMBLY

Proudly Made in Canada
  • Fits 2011-2014 Mustang GT, 2012-2013 Boss 302, Boss 302S and Boss 302R race car
  • Production cylinder head used on the BOSS 302 and 302R race car
  • Fully CNC'd ports and chambers
  • Loaded head assembly minus camshafts, rocker arms and lash adjusters
  • 37mm hollow stem intake valve
  • 31.8mm sodium filled exhaust valve (31mm on base 5.0L)
  • Incresed rate valve springs, 300 N closed 700 N open (13mm lift)
  • Intake side flows approximately 4% more than base 5.0L head in 
  • 193cc intake port volume
  • Chamber volume nominally 55.6cm
  • Use head changing kit M-6067-M50BR.
NOTE: Boss 302 DOHC cylinder head production has been discontinued and heads will no longer be available once current supply is sold


Part Type
Engine: Cylinder Heads
Warranty Availability
Not Available
Packaged Dimensions
11.75" x 10" x 22.5
Packaged Weight
42.1 lb(s)
UPC Code
756122125564
Country of Origin
Canada