Andrews Transmission, Fully Assembled, Ratios (2.724, 1.788, 1.307), 23" Setback
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Details
Details
The Andrews Fully Assembled Transmission is built for top-tier circle track and road-racing performance, delivering precision, reliability, and superior control. Featuring gear ratios of 2.724 / 1.788 / 1.307 and a 23" setback configuration, this transmission provides exceptional acceleration response, smooth shifts, and improved chassis balance. Each Andrews gearbox is professionally assembled, inspected, and tested to ensure consistent performance under the most demanding racing conditions.
Key Features
- Fully assembled Andrews gearbox — race-ready out of the box
- Close-ratio gearset (2.724 / 1.788 / 1.307) for optimized RPM control and smooth acceleration
- 23" setback design improves rear weight bias and handling balance
- Precision-ground gears and shafts ensure quick, positive, and reliable shifts
- Manufactured from heat-treated, high-strength alloys for extreme durability
- Ideal for high-RPM, high-torque race environments
- Modular design allows for efficient maintenance and easy ratio swaps
Gear Ratios
- 1st Gear: 2.724:1
- 2nd Gear: 1.788:1
- 3rd Gear: 1.307:1
- 4th Gear: 1.000:1 (Direct Drive)
Technical Specifications
| Brand | Andrews |
|---|---|
| Assembly | Factory-assembled, tested, and ready for installation |
| Configuration | 4-speed close-ratio (4th gear direct 1:1) |
| Setback | 23" setback configuration for improved chassis weight distribution |
| Primary Use | Circle track, asphalt late model, and road-racing competition |
| Serviceability | Modular design for quick disassembly, inspection, and gear changes |
| Durability | Engineered for long life and consistent performance under extreme conditions |
What's Included
- Complete Andrews transmission assembly — fully built and race-ready
Shifter, linkage, bellhousing, clutch, release bearing, driveshaft, mount, and fluids are not included unless otherwise specified.
Installation & Setup Notes
- Confirm chassis clearance and mounting for 23" setback configuration
- Use premium racing gear oil per Andrews specifications
- Check spline compatibility for input and output shafts before installation
- Re-torque all fasteners after initial break-in or first test session
- Professional installation recommended for peak performance and reliability
Why Choose Andrews
Andrews transmissions are trusted by championship-winning teams for their precision, strength, and consistency. Each transmission is built to exact tolerances using premium materials to deliver smooth gear engagement, efficient power transfer, and outstanding durability. Whether you're racing on dirt, asphalt, or a road course, Andrews provides the proven reliability and performance you need to stay competitive every lap.