Andrews Transmission, Fully Assembled, Ratios (2.706, 1.879, 1.353), 23" Setback
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Details
Details
Designed for professional racers and high-performance teams, this fully assembled Andrews transmission combines precision gearing, durability, and optimized balance for maximum on-track efficiency. Featuring gear ratios of 2.706 / 1.879 / 1.353 and a 23" setback configuration, this transmission offers smooth engagement, excellent acceleration control, and improved rear weight bias for superior traction and handling through every corner.
Key Features
- Race-ready assembly — factory-built and fully assembled for immediate installation
- Close-ratio gearset (2.706 / 1.879 / 1.353) for refined RPM transitions and throttle control
- 23" setback configuration enhances chassis balance and weight distribution
- Precision-ground gears and components for fast, reliable, and consistent shifts
- Built to withstand high-RPM, high-load racing conditions
- Modular design for easy maintenance, inspection, and gear ratio changes
- Constructed from premium, heat-treated materials for long-term durability
Gear Ratios
- 1st Gear: 2.706:1
- 2nd Gear: 1.879:1
- 3rd Gear: 1.353:1
- 4th Gear: 1.000:1 (Direct Drive)
Technical Specifications
| Brand | Andrews |
|---|---|
| Assembly | Factory-assembled, ready-to-install transmission |
| Configuration | 4-speed close-ratio (4th gear direct 1:1) |
| Setback | 23" setback for optimal chassis weight balance |
| Primary Use | Circle track, asphalt late model, and road-race competition |
| Serviceability | Modular construction allows for quick gear changes and easy inspection |
| Durability | Engineered with precision-machined components for maximum longevity |
What's Included
- Complete Andrews transmission assembly — race-ready out of the box
Shifter, linkage, bellhousing, clutch, release bearing, driveshaft, mount, and fluids are not included unless otherwise specified.
Installation & Setup Notes
- Ensure chassis compatibility for 23" setback configuration before installation
- Use approved high-performance racing gear oil
- Confirm input/output shaft spline compatibility prior to mounting
- Re-torque all fasteners after the first test session or heat cycle
- Professional installation recommended for best performance and reliability
Why Choose Andrews
Andrews transmissions are trusted by championship-winning teams worldwide for their unmatched strength, precision, and endurance. Each transmission is built to exacting tolerances to provide smooth, consistent shifts, efficient power transfer, and proven reliability throughout the toughest race conditions.