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.

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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

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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

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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

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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.

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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.

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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.

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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.

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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.