..sound performance wise.
Howards pn 711021
Intake duration 286 gross & 208 @ .050 with a lift of .430
Exhaust duration 286 gross & 210 @ .050 with a lift of .430
Lobe Separation is 110
Intake Lobe Centerline is ground at 106
RPM Range 1500 to 4800
Howards pn 711021
Intake duration 286 gross & 208 @ .050 with a lift of .430
Exhaust duration 286 gross & 210 @ .050 with a lift of .430
Lobe Separation is 110
Intake Lobe Centerline is ground at 106
RPM Range 1500 to 4800
