Elite F1-2S / Doug Nash Replacement Gearbox
The Elite F1-2S is a modern replacement for the original Doug Nash gearbox, developed specifically for F1 Stockcars and Autograss applications.
Available as a 2-speed synchromesh gearbox for F1 Stockcars or with dog engagement, the F1-2S combines proven layout and interchangeability with modern materials and manufacturing.
A range of gear ratios is available to achieve the ideal RPM drop for your engine’s power and torque characteristics. Interchangeable drop gears provide further fine-tuning, allowing the overall gearing to be optimised for different tracks and competition requirements.
Direct Doug Nash Replacement
All major components are interchangeable with the original Doug Nash gearbox, making the Elite unit an excellent option for existing competition cars requiring a replacement or upgraded transmission.
The gearbox is also compatible with Winter 10-spline drop gears.
Motorsport Construction
All gears are manufactured from high-strength hardening alloy steel and are REM Superfinished to reduce friction, improve smooth running and increase durability under demanding competition conditions.
Technical Specifications
- Transmission: 2-speed
- Engagement: Synchromesh or dog engagement
- Applications: F1 Stockcars / Autograss
- Weight: 22 kg
- Oil Capacity: 1.0 litre
- Torque Rating: Contact InGear Performance for application suitability
- Drop Gears: Compatible with Winter 10-spline gears
What’s Included
- 10 / 26 / 29 spline input shaft
- Selected gearset and configuration
- Drop gear compatibility
Ratio Selection
A range of ratios and interchangeable drop gears allows the F1-2S to be closely matched to the vehicle, engine and circuit.
InGear Performance can help select the appropriate internal ratios and drop gear combination to achieve the desired RPM drop and overall gearing for your application.
Talk to InGear Performance
Whether replacing an original Doug Nash unit or building a new F1 Stockcar or Autograss transmission package, InGear Performance can help configure the Elite F1-2S to suit your engine, drivetrain and competition requirements.
Contact us to discuss ratio selection, drop gears and gearbox configuration for your application.