Used For Professional Competition And Serious Sportsman Racers

• 4.600 recommended bore size
• 2.450 intake 1.88 exhaust valve sizes recommended
• Jon Kaase Racing Pro Stock port work and competition valve job produce outstanding flow numbers
• Intake 500cfm @.800 lift
• Exhaust 350cfm @.800 lift
• Bare Cylinder Heads 900.00 each.
  
• Complete with Pro Stock port work , competition valve job, Manley Titanium Valves, PSI valve springs, Titanium Retainers, Ready to bolt on $7500.00 pair.
  

Complete Racing Packages Ready To Bolt On!

Shown with optional copper Beryllium valve seats.