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

Description

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
Speedway Motors LS Transmission Kit, 6-Speed, Tremec T56, 700 HP
Sku # 91029039
Mfr. Part # 91029039
Condition
New
Brand
Speedway Motors
Sold
Kit
Details
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.
Tremec T56 Magnum Transmission
The kingpin of TREMEC's high performance line-up, the Magnum double-overdrive 6-speed transmission takes the very best from TREMEC's current OEM technologies and pairs it with the most popular features of the TKO 5-speed.
Able to withstand a massive 700 lb-ft. of torque while providing unbelievably crisp shifts, no other manual transmission on the planet offers as much combined strength, versatility, and general ease-of-use as the Magnum.
Known in its original equipment form as the 'TR-6060', the Magnum is an aftermarket version of the same transmission found in many of today's most celebrated factory muscle cars – including the Dodge Challenger and Viper, and the Chevrolet Camaro – giving you refinement where you want it and strength where it counts.
The aftermarket's premier 6-speed performance manual transmission
700 lb-ft. of torque capacity
Reasonably light at 135 lbs. dry
Multiple shifter locations & dual speedo pickups for unmatched versatility
Choice of two different gear ratio sets (2.66 or 2.97), with unique double overdrive ratios
Incredibly short, extremely low-effort shift throws, with crisp, precise engagement
Modern OE supercar technology for the ultimate pro-tourers, road-racers, and more
*TREMEC T56 Magnum transmissions can be shifted from two different locations - mid and rear. From the factory they are configured as a rear shift. To change the location, you must purchase a mid shift kit (sold separately). The rear shifter location is then capped off with a plate provided in the kit.
The following transmission yokes may be needed for installation, depending on your application:
(910133031)
(91636800)
GM LS 6 Bolt Flywheel
RAM billet steel flywheels are recommended as replacements for factory cast flywheels in high performance and racing vehicles. Cast flywheels are not explosion proof and can be dangerous when used in high performance applications at higher RPMs. RAM billet steel flywheels are CNC machined from certified materials and exceed SFI specifications. After machining, the flywheels are blanchard ground parallel to the crankshaft mounting surface ensuring minimum runout and the optimum mating surface for the clutch disc. Use steel flywheels in heavier drag race cars or for the best driveability in street driven vehicles.
SFI Rated
Steel Material
1997-2004 GM LS1
Flexplate Bolts
Flywheel bolts play an important role in the performance and safety of race cars and street machines alike. That’s why the fastener experts at ARP develop special bolts that are far superior to OEM hardware. Forged from aerospace alloy and heat-treated prior to thread rolling and machining.
Exclusive, flat, 12-point head design
Larger than stock shank diameter for increased strength and improved flywheel register
Originally developed for NASCAR Winston Cup competition
Has a 200,000 psi rating
Set of 6
M11 x 1.5
.880" under head length
Twin Disc Clutch Kit
The McLeod RST Twin Disc Clutch Kit is intended for high horsepower street vehicles. This twin disc clutch kit is rated up to 800 horsepower. Organic lined clutch discs will provide smooth engagement with a soft pedal effort to make this clutch kit ideal for the street performance enthusiast. This clutch kit is designed to be a high horsepower street clutch kit and is not designed to be used in a competition environment. Kit Includes: Pressure Plate, two organic friction discs, floater plate, adapter ring and pilot tool.
Twin disc clutch kit
Rated up to 800 horsepower
For LS engines with a T-56 Transmission
Pressure Plate Bolt Kit
The importance of pressure plate bolts in a racing or hi-performance street application cannot be emphasized nearly enough. These fasteners play a key role in both the performance and safety of a vehicle. Because of this, ARP has developed these special High Performance Series pressure plate bolts that are application specific to ensure the optimum grip length.
Made from a premium grade chromoly
Hardened to a nominal tensile strength of 180,000 psi
Large diameter, low-profile design
10mm x 1.5 Thread
Sold as a set of 6 bolts
Complete with washers
Hydraulic Throwout Bearing
McLeod 1400 series hydraulic throwout bearings are intended for GM T-56 transmissions. These bearings are feature a anodized billet aluminum housing, quality elbow swivel fittings and high pressure stainless steel braided lines. These high quality components make the Mcleod bolt on hydraulic throw out bearing extremely durable, and the best in the market today! These assemblies may be used to eliminate the need to fabricate complex clutch linkage when swapping transmissions.
1.20" I.D sleeve
4.680" collar O.D
For T-56 transmissions
T/O bearing I.D 1.44"
T/O bearing thickness 1.66"
AN4 Hose length from inside fitting to inside fitting 11.5"
LS To T56 Bellhousing
The perfect piece to your LS/T56 swap project, Speedway Motors is proud to offer a lightweight, aluminum bellhousing option for swap projects or as a replacement to your cast OEM bellhousing.
Fits any LS motor to t56 transmissions that were intended for LS engines. (does not fit t56 for 92-97 LT1 engines.)1998-2002 Camaro/Firebird with LS/T56 combos as well as the GTO T56 Transmissions.
Electric Speedometer Harness
This is a new electric speedometer pigtail harness connector for Ford TKO 500, 600 transmissions.
Manufactured from quality components
Factory quality standards
Reverse Lock Out Wiring Harness
New reverse lockout connector for LS1 and LT1 vehicles equipped with a T56 6 speed manual transmission.
Manufactured from original GM components
Terminals crimped with proper GM tooling
GM's quality standards
Reverse Switch Harness
These harnesses for transmission neutral safety switch/reverse light switches are designed for use with GM T5 and T56 transmissions.
Factory style
Roller Pilot Bearing
This Chevy roller pilot bearing eliminates premature bushing failure and insures clean clutch release.
Incldued in this Kit:
(1) Tremec T56 Transmission - 91029028
(1) GM LS 6 Bolt Flywheel - 6051550
(1) LS Flexplate Bolt Kit - 1012442901
(1) Twin Disc Clutch Kit - 515691207
(1) Clutch Plate Bolt Kit - 1011342201
(1) Hydraulic Throwout Bearing - 51514302
(1) Aluminum Bellhousing - 91029019
(1) Electric Speedometer Harness - 910700020
(1) Reverse Lock Out Harness - 91070003
(1) Reverse Switch Harness - 91070002
(1) Roller Pilot Bearing - 35512557583
Charts
(PDF)
(PDF)
(PDF)
(Link to TREMEC's Website)
Specs
Sold in Quantity
Kit
Transmission Speeds
6-Speed
Input Shaft Spline Count
26
Output Shaft Spline Count
31
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
Torque
700 ft./lbs.
Yoke Included
No
Shifter Included
No
Bellhousing Included
Yes
MFG. Part #
91029039
Reviews
I would buy this again
Rated
by Mark on February 27, 2021
Summary:
I found that the pilot bearing provided in the kit did not work for my 2006 truck engine, I needed the smaller bearing.
Related Items / Suggested Parts
Chevrolet Performance 12557583 GM Roller Pilot Bearing,LS Engines
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 70 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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