S&S replacement pinion gear for late 1977 - 1989 big twins in Harley-Davidson motorcycles are carefully machined, heat treated and then finish ground. Blue color code pinion gears measure 1.4721"-1.4729" over .105" pins for cam gears that measure 2.7364"-2.7374" over .105" pins. Harley-Davidson part number 24044-78. Note: All reference to H-D part numbers is for identification purposes only. We in no way are implying that any of S&S Cycle's products are original equipment parts or that they are equivalent to the corresponding H-D part number shown. S&S Part #: 33-4145
Cross-Reference: The following OEM numbers are provided for reference only and may not be completely accurate.
Harley OEM Cross Reference Numbers:
24044-78
S&S Blue Pinion Gear For Big Twin 33-4145
- Brand: S&S Cycle
- Product Code: 33-4145
- Availability: Special Order
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$112.95
Tags: S&S Cycle, Harley Davidson, Classic Pre-1984, Engine, Cam