Andrews Transmission, Fully Assembled, Ratios (2.400, 1.667, 1.380), 23" Setback
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Details
Details
Built for serious racers who demand precision, reliability, and consistency, this fully assembled Andrews transmission delivers championship-level performance straight out of the box. Featuring a close-ratio gearset of 2.400 / 1.667 / 1.380 with a 23" setback configuration, this unit is designed to optimize acceleration, handling, and chassis balance. Ideal for both circle track and road-race applications, it's engineered to perform under the toughest racing conditions.
Key Features
- Fully assembled and race-ready — no setup required, just install and go
- Close-ratio gearset (2.400 / 1.667 / 1.380) for improved acceleration and throttle response
- 23" setback layout enhances rear weight bias for better cornering stability
- Precision-ground gears for smooth, positive, and fast shifts
- Designed for high-RPM and high-load competition use
- Modular construction allows easy maintenance and quick ratio changes
- Manufactured from premium materials for maximum durability and longevity
Gear Ratios
- 1st Gear: 2.400:1
- 2nd Gear: 1.667:1
- 3rd Gear: 1.380:1
- 4th Gear: 1.000:1 (Direct Drive)
Technical Specifications
| Brand | Andrews |
|---|---|
| Assembly | Factory-assembled, ready-to-run transmission |
| Configuration | 4-speed close-ratio (4th gear direct 1:1) |
| Setback | 23" setback configuration for improved balance and handling |
| Primary Use | Circle track, dirt late model, and road-racing applications |
| Serviceability | Modular design allows for quick service and easy ratio adjustments |
| Durability | Constructed from precision-machined, high-strength materials |
What's Included
- Complete Andrews transmission assembly (ready for installation)
Shifter, linkage, bellhousing, clutch, release bearing, mount, driveshaft, and fluids are not included unless otherwise specified.
Installation & Setup Notes
- Verify clearance and mounting points for 23" setback configuration
- Use high-quality racing gear oil per Andrews specifications
- Ensure correct spline compatibility for input and output shafts
- Torque-check all fasteners after initial break-in or test session
- Professional installation strongly recommended
Why Choose Andrews
Andrews transmissions are the trusted choice of championship-winning teams across the racing world. Known for their strength, precision, and reliability, each gearbox is designed to deliver flawless shifts, exceptional power transfer, and durability that holds up to the demands of full-race environments—giving you the competitive edge every lap.