Andrews Transmission, Fully Assembled, Ratios (2.706, 1.879, 1.353), 23" Setback
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Details
Details
Engineered for professional circle track and road-racing performance, the Andrews Fully Assembled Transmission delivers precision, strength, and speed where it matters most. With gear ratios of 2.706 / 1.879 / 1.353 and a 23" setback layout, this transmission is designed for optimal acceleration, chassis balance, and consistent power delivery. Each unit is expertly assembled and race-ready straight out of the box, making it a trusted choice for serious competitors.
Key Features
- Fully assembled Andrews transmission — built, tested, and ready to race
- Close-ratio gearset (2.706 / 1.879 / 1.353) for smooth, controlled acceleration
- 23" setback configuration improves rear weight bias and handling stability
- Precision-ground gears and shafts for fast, accurate, and reliable shifts
- Crafted from heat-treated, high-strength materials for extreme durability
- Designed to perform under high-RPM, high-torque racing environments
- Modular construction allows for easy service, inspection, and ratio changes
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, race-ready gearbox |
| Configuration | 4-speed close-ratio (4th gear direct 1:1) |
| Setback | 23" setback design for improved chassis weight distribution |
| Primary Use | Circle track, asphalt late model, and road-race competition |
| Serviceability | Modular design for quick maintenance and gear ratio swaps |
| Durability | Precision-engineered for long life and consistent racing performance |
What's Included
- Complete Andrews transmission assembly — pre-built and tested
Shifter, linkage, bellhousing, clutch, release bearing, mount, driveshaft, and fluids are not included unless otherwise noted.
Installation & Setup Notes
- Confirm chassis clearance and mounting for 23" setback setup
- Fill with premium racing gear oil prior to use
- Verify spline compatibility with clutch and driveshaft components
- Re-torque all bolts and fasteners after the first test session
- Professional installation is recommended for best results
Why Choose Andrews
Andrews transmissions are known worldwide for delivering uncompromising quality, precision, and performance. Trusted by championship-winning teams, each transmission is built to withstand the rigors of high-level competition, providing smooth shifting, efficient power transfer, and long-lasting reliability—race after race.