Andrews Transmission, Fully Assembled, Ratios (1.733, 1.516, 1.380), 23" Setback, Carbon Cover
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Details
Details
Precision-engineered for competitive circle track and road-racing applications, this fully assembled Andrews transmission is built to deliver superior strength, balance, and consistency. Featuring close-ratio gearing of 1.733 / 1.516 / 1.380 with a 23" setback layout, this transmission optimizes weight distribution while maintaining smooth, efficient power transfer. The lightweight carbon cover provides rigidity and improved thermal management, ensuring stable performance under high load and high heat conditions.
Key Features
- Fully assembled and race-ready — professionally built for plug-and-play installation
- Close-ratio gearset (1.733 / 1.516 / 1.380) for reduced RPM drop and improved traction
- 23" setback design enhances rear weight bias for improved corner exit
- Carbon fiber cover offers lightweight strength and superior heat dissipation
- Precision-ground gears for quick, positive gear engagement
- Designed for high-RPM, high-torque racing environments
- Modular construction allows for efficient service, maintenance, and ratio swaps
Gear Ratios
- 1st Gear: 1.733:1
- 2nd Gear: 1.516:1
- 3rd Gear: 1.380:1
- 4th Gear: 1.000:1 (Direct Drive)
Technical Specifications
| Brand | Andrews |
|---|---|
| Assembly | Factory-assembled transmission with carbon fiber cover |
| Configuration | 4-speed close-ratio gearbox (4th gear direct 1:1) |
| Setback | 23" setback for improved chassis balance and traction |
| Cover Material | Lightweight carbon fiber for strength and heat reduction |
| Primary Use | Circle track, asphalt late model, and road-racing competition |
| Serviceability | Modular construction enables quick inspection and gear changes |
What's Included
- Complete Andrews transmission assembly with carbon fiber cover
Shifter, linkage, bellhousing, clutch, release bearing, driveshaft, mount, and fluids are not included unless specifically listed above.
Installation & Setup Notes
- Confirm chassis compatibility for 23" setback mounting configuration
- Fill with premium racing gear oil before use
- Verify spline compatibility for input/output shafts
- Re-torque bolts and fasteners after initial race session
- Professional installation is recommended for best results
Why Choose Andrews
Andrews transmissions are trusted by professional race teams worldwide for their unmatched durability, precision, and performance. Each gearbox is manufactured from premium materials and engineered for reliability under the most demanding race conditions— delivering the confidence and consistency that win championships.