Description

Overview

The Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Package 1511009 is built around the Tremec T-56 Magnum manual transmission, one of the most widely used performance transmissions in modern aftermarket builds. Known for its strength and versatility, the T-56 Magnum transmission is designed for high-performance vehicles requiring a durable manual drivetrain.

The transmission features a double overdrive six-speed configuration, allowing drivers to achieve both strong acceleration and efficient highway cruising. Tremec engineered the Magnum platform to handle significant torque loads while providing smooth and precise shifting.

This Bowler Performance package is specifically configured for GM LS engine installations, simplifying the process of installing a six-speed manual transmission in performance vehicles and engine swap projects.

Where This Transmission Package Is Used

The Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Package 1511009 is commonly used in performance vehicles and LS engine swap builds.

Typical applications include:

• LS engine swap projects

• classic muscle car upgrades

• hot rod builds

• custom performance vehicles

• racing and track cars

Because LS engines are frequently used in performance builds, transmission packages designed for LS compatibility are essential for simplifying drivetrain installation.

Transmission Performance and Strength

The Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Package 1511009 uses the Tremec T-56 Magnum platform, which is known for its ability to handle significant power levels.

Key performance features include:

• six-speed manual transmission design

• aluminum transmission case

• high-strength internal gear design

• double overdrive gear ratios

• smooth performance shifting

The Tremec T-56 Magnum transmission is rated to handle up to approximately 700 lb-ft of torque, making it suitable for high-horsepower performance vehicles.

Because of its durability and shifting precision, the Magnum transmission is widely used in pro-touring cars, race vehicles, and high-performance street builds.

Why This Transmission Package Is a Popular Choice

Performance builders often select the Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Package 1511009 because it provides a complete drivetrain solution.

Key advantages include:

• designed for GM LS engine compatibility

• strong torque capacity for high-power builds

• six-speed transmission with double overdrive

• high-performance Tremec Magnum platform

• complete installation components included

Because the system includes key components such as bellhousing, clutch hardware, and hydraulic components, it simplifies installation compared with sourcing parts separately.

Who This Transmission Is Best For

The Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Package 1511009 is designed for performance builders who require a strong manual transmission for LS engine builds.

Typical buyers include:

• LS swap enthusiasts

• performance car builders

• custom hot rod fabricators

• racing teams

• automotive performance shops

For vehicles producing high horsepower, installing a T-56 Magnum transmission package helps ensure reliable power delivery and improved driving performance.

Key Specifications

The Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Package 1511009 includes several drivetrain components designed for performance applications.

Key specifications include:

• transmission type: 6-speed manual transmission

• transmission platform: Tremec T-56 Magnum

• case material: aluminum

• gear ratios: 2.66, 1.78, 1.30, 1.00, 0.80, 0.63

• input shaft: 1.125-inch diameter with 26 splines

• output shaft: 31 spline

• torque capacity: up to approximately 700 lb-ft

Package components typically include:

• T-56 Magnum transmission

• LS bellhousing

• clutch assembly

• hydraulic throwout bearing

• installation hardware

• transmission mount

• slip yoke

• wiring harness components

These components allow the transmission to integrate with LS engines and performance drivetrain systems.

Frequently Asked Questions

What is the T-56 Magnum transmission?

The T-56 Magnum is a high-performance six-speed manual transmission used in aftermarket builds and performance vehicles because of its durability and smooth shifting.

How much torque can the T-56 Magnum handle?

The transmission is rated to handle approximately 700 lb-ft of torque, making it suitable for high-horsepower engine builds.

What engines work with this transmission package?

This package is designed primarily for GM LS engine platforms, commonly used in engine swap and performance vehicle builds.

What is a double overdrive transmission?

A double overdrive transmission includes two overdrive gears (usually 5th and 6th) that allow the engine to run at lower RPM during highway driving.

Who installs performance transmission packages?

Performance transmission systems are typically installed by professional mechanics, performance shops, or experienced builders performing drivetrain upgrades.

Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Packages

Bowler Performance GM LS T-56 Magnum 6-speed transmission packages are designed, tested, and built for the aftermarket. The Magnum offers a “no compromise solution” for your hot rod project, and is rated to handle tire blistering torque. Weighing in at 135 lbs., the T-56 features a single rail shifter design, 3-piece synchronizer assemblies, and three shift lever locations. Choose the Magnum model with the gear ratios you prefer.

Packages feature:

* T-56 Magnum 6-speed transmission
* LS aluminum bellhousing
* OE LS throwout bearing/hydraulic slave with -4AN inlet and remote bleeder
* Flywheel, clutch, bolts
* Billet 31-Spline 1350 Series slip yoke
* Dial indicator plate for concentric bellhousing alignment
* All-in-One harness with reverse lock-out control module
* Energy Suspension mount
* 4 qts. of Royal Purple Synchromax fluid
* 12-month warranty

Applications