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$6,132.00
$5,531.99
Speedway Motors LS Transmission Kit, 6-Speed, Tremec T56, 700 HP
Speedway Motors LS Transmission Kit, 6-Speed, Tremec T56, 700 HP

Speedway Motors LS Transmission Kit, 6-Speed, Tremec T56, 700 HP

Chevy LS V8, T56, 6-Speed Transmission Speeds, 700 ft./lbs. Torque, 26 Input Shaft Spline Count

1 Review | 1 Answered Question
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Speedway Motors LS Transmission Kit, 6-Speed, Tremec T56, 700 HP
Speedway Motors LS Transmission Kit, 6-Speed, Tremec T56, 700 HP
Speedway Motors LS Transmission Kit, 6-Speed, Tremec T56, 700 HP
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Speedway Motors LS Transmission Kit, 6-Speed, Tremec T56, 700 HP
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Part # 91029039
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$5,531.99
$6,132.00
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What's In The Kit
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  • Complete 6 speed transmission kit is perfect for LS swaps
  • Fits all GEN III LSx engine such as LS1, LS2, LS3, LS6, and LS7 as well as 4.8L, 5.3L, 6.0L, and 6.2L truck engines
  • Simplify the buying process with this complete bolt on kit
  • Add a transmission crossmember to fit your vehicle for ultimate install ease
  • Custom length drive shafts are also available to finish off the project

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Details

Transmission Speeds:
6-Speed
Torque:
700 ft./lbs.
Input Shaft Spline Count:
26
Output Shaft Spline Count:
31
Bellhousing Included:
Yes
Yoke Included:
No
Shifter Included:
No
First Gear Ratio:
2.66:1
Gear Ratio (2nd):
1.78:1
Gear Ratio (3rd):
1.30:1
Gear Ratio (4th):
1.00:1
Gear Ratio (5th):
0.80:1
Gear Ratio (6th):
0.64:1
MFG. Part #:
91029039
Sold in Quantity:
Kit

Info

We understand how valuable your time is - there just never seems to be enough hours in the day to get everything accomplished. That is why we have decided to do the hard work for you by putting together these complete driveline kits to simplify your shopping experience and save you valuable time and money! We poured over countless transmission options and associated parts and pieces, finally narrowing down the best combination to finish your drivetrain install and really move your project out of the shop and out on to the open road!

This kit features one of Tremec's most notorious transmissions - the T56 Magnum 6 speed manual transmission. This ultra high performance transmission is capable of handling up to 700 ft-lb of torque. A blend of Tremec OEM technology and the best features from the TKO series, the T56 Magnum series of transmissions provides the ultimate in brute strength and the versatility to fit into any high performance build. Features the same multiple shifter locations and dual speedmeter pickups as the TKO series, as well as effortless, short throw shifting capabilities. These performance 6 speeds feature a 2.66 gear ratio with dual overdrive gears for better fuel economy when needed.

This driveline package is provided with everything you will need for a complete and seamless install - clutch kit, flywheel, bell housing, throw out bearing, speedometer and reverse light harness and all the associated hardware.

 

  • 1997-2004 GM LS1 
  • 1 1/8"-26 spline input shaft
Some parts are not legal for use in California or other states with similar laws/regulations

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • RAM Clutches 1550 Billet Steel Flywheel, 1997-2004 GM LS1, 168 Tooth
    Qty x 1
  • ARP 244-2901 Chevy Gen III/LS Flexplate Bolts
    Qty x 1
  • McLeod 6912-07 RST Twin Disc Clutch Kit, 10 In, LS 1-1/8 x 26
    Qty x 1
  • ARP 134-2201 LS Pressure Plate Bolt Kit, LS1-LS6
    Qty x 1
  • McLeod 14-302 Hydraulic Throwout Bearing, T-56 Trans, 26 Spline
    Qty x 1
  • Speedway Motors Bellhousing, GM LS Engine T56 Transmission
    Qty x 1
  • TREMEC TUET11009 GM LS T56 Magnum 6-Speed Manual Transmission
    Qty x 1
  • TREMEC 9110 Electric Speedometer Harness, Ford TKO Transmission
    Qty x 1
  • TREMEC 9111 GM Reverse Lock Out Wiring Harness, T-56 Transmission
    Qty x 1
  • TREMEC 9115 Reverse Switch Harness - GM T5, T-56 Transmission
    Qty x 1
  • Chevrolet Performance 12557583 GM Roller Pilot Bearing,LS Engines
    Qty x 1

Reviews

Q & A

Videos & Articles
  • Pat from the Speedway Tech Team talks about our LS flexplate options for mating 4.8, 5.3, and 6.0L LS engines to TH350, TH400, and 700R4 transmissions.
  • It's time to see if all our hard work to upgrade Project Chevelle will pay off in faster lap times. We set up a little autocross course to find out.
  • LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

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