Richmond Gear 1304000072 Super T-10 4-Speed Transmission, GM 2.88

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.