Andrews Products Transmission Mainshaft AP-296850 for Harley-Davidson (Big Twin 1985-1989)
$779.10
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Andrews Products Transmission Mainshaft AP-296850 for Harley-Davidson (Big Twin 1985-1989)
$779.10
The Andrews Products Transmission Mainshaft is precision-engineered for 5-speed Big Twin motorcycles manufactured between 1985 and 1989 equipped with belt final drive and an OEM 4-stud tapered wet clutch. Crafted from high-nickel alloy steel, this mainshaft undergoes advanced heat treatment and shot-peening processes to deliver maximum structural durability, fatigue resistance, and reliable power transmission.
Designed as a direct replacement for OEM part number 35042-85, this component measures 35.8 cm in total length for precise fitment within the transmission assembly. It provides the high-strength performance necessary to withstand demanding riding conditions and maintain smooth gear operation.
Key Features
| Brand | Andrews Products |
| Manufacturer Part Number | AP-296850 |
| OEM Replacement Number | 35042-85 |
| Material | High Nickel Alloy |
| Surface Treatment | Heat-treated and shot-peened |
| Length | 35.8 cm |
| Transmission Type | 5-Speed |
| Clutch Compatibility | OEM 4-Stud Tapered Wet Clutch |
| Final Drive Type | Belt Final Drive |
| Estimated Shipping Weight | 1.8 kg |
Highlights
- Constructed from heavy-duty high-nickel alloy steel
- Heat-treated and shot-peened for maximum durability and strength
- Direct replacement for OEM # 35042-85
- Engineered for 1985–1989 5-speed Big Twin models
Materials & care
Manufactured from high-nickel alloy steel with a heat-treated and shot-peened finish to prevent wear and fatigue under high load.
Compatibility
Fits 1985–1989 Harley-Davidson 5-speed Big Twin models with belt final drive and OEM 4-stud tapered wet clutch. Replaces OEM # 35042-85.
Frequently asked questions
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