Andrews Products Transmission Mainshaft AP-208500 for Harley-Davidson Big Twin 2085
$641.46
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Andrews Products Transmission Mainshaft AP-208500 for Harley-Davidson Big Twin 2085
$641.46
Upgrade your vintage motorcycle drivetrain with the Andrews Products Transmission Mainshaft, engineered specifically for 4-speed Big Twin models from 1937 to 1964. Precision-crafted from a premium high nickel alloy, this component delivers exceptional resistance to wear and torsional stress under demanding riding conditions.
Each shaft is meticulously heat-treated and shot-peened to provide maximum structural durability and strength. Designed as a direct replacement for OEM part number 35040-50, it ensures a seamless fit and reliable power transfer throughout your transmission system.
Key Features
| Brand | Andrews Products |
| Manufacturer Part Number | AP-208500 |
| Replaces OEM # | 35040-50 |
| Product Type | Transmission Mainshaft |
| Material | High Nickel Alloy |
| Finish / Treatment | Heat-Treated and Shot-Peened |
| Transmission Type | 4-Speed |
| Estimated Weight | 1.2 kg |
Highlights
- Constructed from high nickel alloy for superior strength
- Heat-treated and shot-peened for maximum fatigue resistance and durability
- Direct replacement for OEM part # 35040-50
- Engineered for vintage 4-speed Big Twin transmissions (1937–1964)
Materials & care
Manufactured from shot-peened, heat-treated high nickel alloy steel. Ensure proper lubrication with manufacturer-recommended transmission fluid during assembly and operation.
Compatibility
Compatible with Harley-Davidson 4-speed Big Twin models from 1937 to 1964. Replaces OEM # 35040-50.
Frequently asked questions
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