Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Packages 1511009

$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

Overview

Name: Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Packages 1511009 - X Factors Motorsports
Price: 4145.00 USD
Availability: InStock

Brand: Bowler Performance Transmissions

Manufacturer’s Part Number: 1511009

Part Type: Manual Transmissions

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

Summit Racing Part Number: BTM-1511009

Number of Gears: 6

Input Shaft Diameter: 1.125 in.

Input Spline Quantity: 26

Output Shaft Spline Quantity: 31

Output Shaft Spline Diameter (in.): 1.360 in.

Bellhousing Included: Yes

Yoke Included: Yes

Yoke Style: Slip-on

Shifter Included: No

First Gear Ratio: 2.66:1

Second Gear Ratio: 1.78:1

Third Gear Ratio: 1.30:1

Fourth Gear Ratio: 1.00:1

Fifth Gear Ratio: 0.80:1

Sixth Gear Ratio: 0.63:1

Case Material: Aluminum

Remanufactured: No

Quantity: Sold as a kit.

Notes: Requires a shifter with 0.890 in. center to center 3/8 in. diameter mounting holes.

Special Attention: Includes transmission, bellhousing, clutch, hardware, hydraulic throwout bearing, fluid, pigtails, yoke and transmission mount.

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

Transmission Manufacturer Code: T-56

Drivetrain: RWD

Bellhousing Bolt Pattern: Chevy

Application Notes: Requires a shifter with 0.890 in. center to center 3/8 in. diameter mounting holes

Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.

1. Processing Time

Orders are typically processed within 1–2 business days after payment is confirmed.
Orders placed on weekends or holidays will be processed on the next business day.

2. Delivery Times

Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.
International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.

3. Shipping Rates

United States: Free standard shipping on all orders.
International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.

4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Packages 1511009

Overview

Applications

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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Bowler Performance GM LS T-56 Magnum 6-Speed Transmission Packages 1511009

Overview

Applications

1. Processing Time

2. Delivery Times

3. Shipping Rates

4. Carriers Used

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