The Richmond Gear 1304000072 Super T-10 4-Speed Transmission is a legendary high-performance manual transmission designed for GM muscle cars, street rods, drag cars, and restoration projects. Featuring a 2.88:1 first gear, this Super T-10 offers an excellent balance of street performance and acceleration while maintaining the classic driving feel enthusiasts demand. Built with a lightweight aluminum case and synchronized forward gears, it has become a trusted choice for high-performance Chevrolet, Pontiac, Buick, and Oldsmobile applications.
Designed with 26-spline input and 32-spline output shafts, the Super T-10 utilizes a robust side-shift rail mechanism, high-strength gears, and a durable aluminum housing to deliver dependable performance for street and weekend racing applications. Its compact dimensions make it a direct replacement for many classic GM 4-speed transmissions with minimal modifications.
Features
- Genuine Richmond Gear Super T-10 4-Speed Manual Transmission
- GM bolt pattern
- 2.88:1 first gear ratio
- Fully synchronized forward gears
- Constant mesh first gear and reverse
- Lightweight aluminum case
- Heavy-duty side rail shift mechanism
- High-strength alloy steel gears
- Designed for street performance and racing applications
- Direct replacement for many classic GM 4-speed transmissions
- Excellent shift quality and durability
- Compatible with most GM manual transmission bellhousings
Gear Ratios
- 1st Gear: 2.88:1
- 2nd Gear: 1.91:1
- 3rd Gear: 1.33:1
- 4th Gear: 1.00:1
- Reverse: 2.78:1
Specifications
- Brand: Richmond Gear
- Manufacturer Part Number: 1304000072
- Model: Super T-10
- Transmission Type: 4-Speed Manual
- Application: GM
- Case Material: Aluminum
- Input Shaft Diameter: 1.125 Inches
- Input Shaft Spline Count: 26
- Output Shaft Diameter: 1.375 Inches
- Output Shaft Spline Count: 32
- First Gear Ratio: 2.88:1
- Fourth Gear Ratio: 1.00:1 (Direct Drive)
- Reverse Ratio: 2.78:1
- Oil Capacity: 2.4 Pints
- Recommended Lubricant: GL-4 80W-90 Gear Oil
- Dry Weight: Approximately 70 lbs
- Shifter Style: Side Shift Linkage
- Bellhousing Included: No
- Shifter Included: No
- Slip Yoke Included: No
Package Includes
- Richmond Gear 1304000072 Super T-10 4-Speed Transmission
- Front Bearing Retainer
- Side Cover Assembly
- Internal Shift Components
- Installation Documentation
Bellhousing, shifter, clutch assembly, flywheel, transmission mount, slip yoke, and driveshaft are sold separately unless otherwise specified.
Recommended Applications
Ideal for:
- Chevrolet Camaro
- Chevrolet Chevelle
- Chevrolet Nova
- Chevrolet El Camino
- Chevrolet C10 Pickup
- Chevrolet Corvette
- Pontiac Firebird
- Pontiac GTO
- Buick Skylark
- Oldsmobile Cutlass
- Street Rods
- Restomod Projects
- Classic Muscle Cars
- Drag Racing Vehicles
- High-Performance Street Cars
Compatible with most GM V8 applications using the appropriate GM bellhousing and clutch components.
Installation Requirements
Installation may require:
- GM-compatible bellhousing
- 26-spline clutch disc
- 32-spline slip yoke
- Side-shift linkage or Hurst-style shifter
- Transmission crossmember
- Transmission mount
- Driveshaft modification depending on vehicle
- GL-4 80W-90 gear oil
Professional installation is recommended to ensure proper bellhousing alignment, clutch adjustment, and reliable drivetrain operation.
Warranty
The Richmond Gear 1304000072 Super T-10 4-Speed Transmission, GM 2.88 is backed by a 1-Year / 50,000-Mile Limited Warranty, covering defects in materials and workmanship under normal use and proper installation.
Why Choose the Richmond Gear Super T-10?
The Richmond Gear 1304000072 Super T-10 combines classic four-speed performance with modern engineering for drivers who want strength, reliability, and authentic muscle car driving characteristics. Featuring a 2.88:1 first gear, lightweight aluminum construction, synchronized forward gears, 26-spline input, and 32-spline output, it delivers crisp shifting, dependable durability, and outstanding performance for classic GM restorations, street machines, drag cars, and pro-touring builds.



