Description
BRAND NEW
PART # 217554
Fits Harley M-Eight Models
For 124″ and 128″ big-bore motors with head work
Requires Hi-lift springs
Made in the U.S.A.
Intake Opening (degrees): 12
Intake Closing (degrees): 34
Exhaust Opening (degrees): 63
Exhaust Closing (degrees): 13
Intake Duration (degrees): 256
Exhaust Duration (degrees): 256
Intake Lift (in): .550
Exhaust Lift (in): .550