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 1050.00 each.
Complete with Pro Stock port work , Competition valve job, Beryllium seats,Titanium Valves, Race valve springs, Titanium Retainers, Ready to bolt on $8300.00 pair.
