AFR 220cc heads ported by Bob Steigemeier himself
#1
AFR 220cc heads ported by Bob Steigemeier himself
Wanting to sell these beautiful works of art.
What I know
58cc chambers
64* valve seats
2.080 intake valves
1.60 exhaust valves
3/8 studs and guide plates
Double springs with titanium retainers, tested 210# seat pressure
There is a TREMENDOUS amount of bowl/runner/exhaust port porting.
What I know
58cc chambers
64* valve seats
2.080 intake valves
1.60 exhaust valves
3/8 studs and guide plates
Double springs with titanium retainers, tested 210# seat pressure
There is a TREMENDOUS amount of bowl/runner/exhaust port porting.