Andrews Products Transmission Gear Kit AP-210550 for Harley-Davidson (Big Twin 1977-1986)
$2,394.43
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Andrews Products Transmission Gear Kit AP-210550 for Harley-Davidson (Big Twin 1977-1986)
$2,394.43
Upgrade your motorcycle's drivetrain with the Andrews Products Transmission Gear Kit, engineered specifically for 4-speed Big Twin models from 1977 to 1986. Designed to deliver superior durability, faster shifting, and smoother overall performance, this high-performance gear kit optimizes power transfer and reliability.
This comprehensive set features a 2.44 first gear ratio and a 1.35 third gear ratio for responsive acceleration and cruising efficiency. Please note that mainshafts, countershafts, and small parts rebuild kits are not included and should be sourced separately to complete your transmission assembly.
Key Features
| Brand | Andrews Products |
| Manufacturer Part Number (MPN) | AP-210550 |
| Product Type | Transmission Gear Kit |
| Transmission Type | 4-Speed |
| 1st Gear Ratio | 2.44 |
| 3rd Gear Ratio | 1.35 |
| Compatible Make | Harley-Davidson |
| Compatible Models | Big Twin (1977-1986) |
| Product Weight | 4.5 kg |
Highlights
- Engineered for faster shifting, enhanced reliability, and longer transmission life
- Features a 2.44 first gear ratio and a 1.35 third gear ratio
- Complete set including all 6 gears, 2 shift clutches, and 2 forks
Compatibility
Fits Harley-Davidson 4-Speed Big Twin models manufactured between 1977 and 1986.
What's included
- 6 x Transmission Gears
- 2 x Shift Clutches
- 2 x Shift Forks
Frequently asked questions
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