GM LS T-56 Magnum 6-Speed Transmission
$4,145.00
Trans. Package, GM LS Tremec 6 SPD – 2.66, 1.78, 1.30, 1.00, .80, .63, Alum Bell, Clutch, Flywheel, Bolt kit, Hyd T/O Bearing, Fluid, Pigtails, & Yoke
Buy GM LS T-56 Magnum 6-Speed Transmission Online
The GM LS T-56 Magnum 6-Speed Transmission from Bowler Performance is a complete, high-performance t56 magnum for sale package engineered for serious LS-powered builds. Designed around the legendary Tremec T-56 Magnum, this tremec t56 magnum delivers exceptional strength, smooth shifting, and long-lasting reliability for street machines, Pro-Touring cars, hot rods, and custom performance vehicles. It includes the essential components needed for installation, such as an LS aluminum bellhousing, clutch, flywheel, hydraulic throwout bearing, tremec t56 magnum transmission for sale mount, yoke, hardware, and more, reducing installation complexity and ensuring proper fitment.
Rated to handle up to 700 lb-ft of torque, the built nv4500 features close-ratio gearing (2.66, 1.78, 1.30, 1.00, 0.80, and 0.63) for quick acceleration and efficient highway cruising. The lightweight aluminum case, 26-spline input shaft, 31-spline output shaft, and multiple shifter locations provide flexibility for a wide range of custom applications. Advanced synchronizer technology delivers crisp, precise gear changes even under demanding conditions.
Whether you’re upgrading an LS swap or building a high-horsepower performance vehicle, the GM LS T-56 Magnum 6-Speed Transmission package offers the durability, performance, and installation convenience tremec t56 for sale enthusiasts demand. Backed by Bowler Performance’s engineering expertise, it’s an ideal solution for drivers seeking dependable power transfer and superior driving control.
Product Specifications -GM LS T-56 Magnum 6-Speed Transmission
| Specification | Details |
|---|---|
| Product Name | GM LS T-56 Magnum 6-Speed Transmission Package |
| Brand | Bowler Performance |
| Manufacturer Part Number | 1511009 |
| Transmission Model | Tremec T-56 Magnum TUET11009 |
| Transmission Type | 6-Speed Manual |
| Product Line | Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Packages |
| Drivetrain | Rear-Wheel Drive (RWD) |
| Engine Compatibility | GM LS & LT Engines (LS1, LS2, LS3, LS6, LS7, LSX, L92, L99, LY6, LY2) |
| Torque Capacity | Up to 700 lb-ft (Transmission), Twin Disc Clutch rated up to 850 lb-ft |
| Gear Ratios | 1st: 2.66, 2nd: 1.78, 3rd: 1.30, 4th: 1.00, 5th: 0.80, 6th: 0.63 |
| Input Shaft Diameter | 1.125 in. |
| Input Shaft Splines | 26 |
| Output Shaft Splines | 31 |
| Output Shaft Diameter | 1.360 in. |
| Case Material | Lightweight Aluminum |
| Transmission Weight | Approx. 135 lbs. |
| Bellhousing Included | Yes (QuickTime RM-8019 LS Bellhousing) |
| Bellhousing Certification | SFI Certified |
| Clutch Included | Tilton ST-246 Twin Disc Clutch Kit |
| Flywheel Included | Yes |
| Hydraulic Throwout Bearing | Tilton 6000 Series |
| Remote Bleeder | Yes |
| Transmission Mount | Energy Suspension Mount Included |
| Slip Yoke | Billet 31-Spline 1350 Series |
| Fluid Included | 4 Quarts Royal Purple Synchromax |
| Reverse Lockout Harness | Included |
| Shifter Included | No |
| Shifter Locations | Multiple Positions |
| Synchronizers | 3-Piece Performance Synchronizer Assemblies |
| Speedometer | Mechanical & Electronic Compatible |
| Reverse Light Switch | Built-In |
| Warranty | 12-Month Factory & Bowler Performance Warranty |
| Vehicle Applications | GM A-Body, GM F-Body, Early Chevy Trucks, Restomods, Hot Rods, Pro-Touring Cars |
| Installation Notes | Requires shifter with 0.890 in. center-to-center 3/8 in. mounting holes |
| Package Includes | Transmission, Bellhousing, Twin Disc Clutch, Flywheel, Hardware Kit, Hydraulic Throwout Bearing, Fluid, Wiring Pigtails, Slip Yoke, Transmission Mount, Technical Support |
Key Benefits of the GM LS T-56 Magnum 6-Speed Transmission
- Built to handle up to 700 lb-ft of torque, making it ideal for high-horsepower LS-powered vehicles.
- Complete installation package includes premium components, reducing the need for additional parts.
- Close-ratio 6-speed gearing delivers faster acceleration while maintaining comfortable highway cruising.
- Premium Tilton twin-disc clutch provides smooth engagement and supports up to 850 lb-ft of clutch capacity.
- Lightweight aluminum construction improves vehicle performance without sacrificing durability.
- Multiple shifter mounting locations provide flexibility for custom builds and swaps.
- Advanced 3-piece synchronizers ensure crisp, precise, and reliable gear changes.
- Compatible with both mechanical and electronic speedometers for versatile installations.
- Includes an SFI-certified QuickTime bellhousing for maximum safety and accurate drivetrain alignment.
- Billet 31-spline slip yoke offers superior strength for demanding performance applications.
- Designed specifically for GM LS engine swaps, eliminating installation guesswork.
- Excellent choice for Pro-Touring cars, muscle cars, street rods, autocross builds, and custom hot rods.
- Supported by Bowler Performance’s expert technical assistance for a smoother installation process.
What is included in the GM LS T-56 Magnum 6-Speed Transmission package?
The package includes the T-56 Magnum transmission, LS bellhousing, clutch, flywheel, hydraulic throwout bearing, transmission mount, yoke, hardware, fluid, and other essential installation components.
How much torque can the GM LS T-56 Magnum 6-Speed Transmission handle?
The transmission is rated to support up to 700 lb-ft of torque, making it suitable for high-performance LS engine builds, Pro-Touring cars, hot rods, and custom street applications.

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