The 02M / 02Q / 0A8 Sequential Gearbox utilizes the 3 shaft design and is engineered to handle up to 800NM torque. Application can be to both diesel and petrol engines as various ratios are available. World's #1 in the fastest and softest shifting on the market. The Full sequential gearbox Mitsubishi EVO 4 - 9 and X is integrated an ultra lightweight aluminium casting case section that holds the fastest sequential mechanism with the softest shifting, the strongest shafts, forks and gears on the market at 6 speed version. Rated to 900Nm engine torque.

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“Worlds Strongest Sequential Transmission @ 1800 ftlbs”

6XD RACING TRANSMISSIONS

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5 or 6 Speed in ANY available Ratio Stack!

Delivered anywhere in the USA FREE, 100% RACE READY!

6XD Modular Design Advantages

The 6XD Sequential Gearbox has what NO OTHER sequential Offers! 250+ ratios, replaceable dog-rings vs gears, independent shifter barrels, rotatable forks, (12) inputs, 6XD can be rotate 90* for lower crank centerline to the ground!

6XD Simplicity of Service

Swapping out drop-gears for longer-shorter overall stack in 8-10 minutes! Replaceable dog-rings/sliders in 15-20 minutes, rotating shift handle for exact location YOU want!

6XD Low Cost in Stock Items

6XD is designed, engineered to have DOUBLE the life & STRENGTH regarding internal wear parts such as forks, shifter barrels, and gear sets! Clients mentioned they have saved thousands of dollars already.

Xtrac Sequential Gearbox

100% American Made - In House

6XD sequential components are 100% made in USA between SS mfg and Gforce transmissions, this allows us to also make custom items quickly for YOU and make changes to current parts which may benefit your special application!

6XD built by Senior Lead Builder w/30+ years Winning Experience

RTS/Rick Lamber, he has built a significant amount of award winning race transmissions over the years. Every unit runs on dyno spin-rig for 45 minutes ensuring top performance for plug n play installs.

Award Winning Customer Service & Installation Assistance

We’re 100% committed making sure YOU are taken care of with experienced guidance, assembling everything needed for a Plug n Play package! YOUR one stop shop for SUCCESS!

Our 6XD Sequential Gearbox.

Evo X Sequential Gearbox Price

Went from drawings on paper to actual production racing product in 11 months! Unheard of right?, not really when you combine the proven experience of Gforce Transmissions, RTS INC and SS mfg engineer Clay Stephens working together to deliver winning results!
1st Year = * Not One Failure Ever / 31 wins / 5 Championships *

* The next racing product on our design board is a 6XD-TransAxle unit for C5, C6, and C7 corvette. This project is already underway, big thanks to Brett Bradbury owner of LS PERFORMANCE in Dallas, TX for sending us his Corvettes.

* This NEW 6XD-TransAxle will mate up to the RTS1000+ Winters quick change rear, which has proven to be “Unbreakable” past 3 years in the Formula Drift Pro series, with 1400ftlbs beat thru it.

* We are planning to have this 6XD-TransAxle project available in spring of 2021!

* 6XD AWD sequential gearbox is being looked at for late 2021!

* Email us with your ideas for new racing projects, we make dreams a reality!

Our 6XD Team has an Impressive Winning Resume to prove it:

“100+ Wins, 9 World Championships regarding C.A.R.T, IndyCar, NASCAR, World Drift Championship, Formula Drift, and now the Trans-Am Series!

ACP Motorsports / Trans-Am Series / 6 Wins 2019 = 5XD!

“The 5XD sequential gearbox is the smoothest shifting, most reliable, and trouble free racing transmission I have ever had in any race car I’ve driven in 50 years. The customer service I have experienced regarding RTS INC owner Rick Lamber / SS mfg owners Clay Stephens & Skyler Schipper has been unmatched by any other driveline supplier ever!”

Kerry Hitt
Driver/Owner

FD Pro1 Series

“It really is the World’s BEST sequential I ever used, the 6XD is truly Insane, thank you!

I’m so glad to have RTS INC and SS mfg apart of our racing program”

Cameron Moore
Pro1 Driver

FD Pro2 Series / 5 Wins & Lone Star Drift Championship 2019

“The 6XD gearbox has been such a drastic improvement to our car this season!

The box has taken any and all abuse we could’ve thrown at it. It’s been used in more than 15 high intensity drift events this season and the reliability has been impeccable!

The support of the RTS INC / SS mfg team has been amazing and they’ve developed one incredible product!!!””

Nick Noback
Pro2 Driver

Introducing the new lightweight TTI sequential race gearbox:

Weighs under 28Kg

20% lighter than a standard 6 speed gearbox

Rated for engines up to 350 hp or 350 f/p of torque

Magnesium case

Only available in 6 speed

Designed for naturally aspirated (non-turbo) vehicles

Ratios 1st: 2.6, 2nd: 1.88, 3rd: 1.52, 4th: 1.294, 5th: 1.13, 6th: DIRECT

Users of TTI gearboxes simply love the sheer strength, durability and ruggedness that the GTO sequential has to offer. All gearboxes are designed for lightening quick gear changes and can handle the toughest of racing conditions.

“The gearbox is just amazing, makes life so much easier when drifting. Very nice product!” Flash, Sydney Australia, November 2019.

Torque rating: 750 f/p
4 Speed Standard Gearbox Ratios:
4 Speed: 1st: 2.47, 2nd: 1.68, 3rd: 1.25, 4th: direct
4 Speed Drift: 1st: 2.64, 2nd: 1.68, 3rd: 1.25, 4th: direct

TTi GTO
4 SPEED

Torque rating: 750 f/p
5 Speed Standard Gearbox Ratios:
5 Speed: 1st: 2.47, 2nd: 1.83, 3rd: 1.44, 4th: 1.2, 5th: direct
5 Speed Drift: 1st: 2.64, 2nd: 1.83, 3rd: 1.44, 4th: 1.2, 5th: direct
5 Speed OD: 1st: 2.4, 2nd: 1.68, 3rd: 1.25, 4th: direct, 5th: 0.9

TTi GTO
5 SPEED

Torque rating: 750 f/p
6 Speed Standard Gearbox Ratios:
6 Speed: 1st: 2.64, 2nd: 1.9, 3rd: 1.53, 4th: 1.31, 5th: 1.148, 6th: direct
6 Speed OD: 1st: 2.47, 2nd: 1.83, 3rd: 1.44, 4th: 1.2, 5th: direct, 6th: 0.9

TTi GTO
6 Speed

Torque rating: 1000 f/p
5 Speed XHD Gearbox Ratios:
5 Speed XHD: 1st: 2.61, 2nd: 1.804, 3rd: 1.4, 4th: 1.15, 5th: direct
5 Speed XHD OD: 1st: 2.34, 2nd: 1.643, 3rd: 1.252, 4th: direct, 5th: 0.876

Only available with GM, Toyota and Nissan fixed input shafts.

TTi XHD GTO
5 SPEED

Torque rating: 5 and 6 Speed 750 f/p and 5 Speed XHD 1000 f/p
5 Speed OD: 1st: 2.4, 2nd: 1.68, 3rd: 1.25, 4th: direct, 5th: 0.9
6 Speed OD: 1st: 2.47, 2nd: 1.83, 3rd: 1.44, 4th: 1.2, 5th: direct, 6th: 0.9
5 Speed XHD OD: 1st: 2.34, 2nd: 1.643, 3rd: 1.252, 4th: direct, 5th: 0.876

Image showing: RB Bell Housing (far right), Adaptor and Linkage Housing (left of gearbox), and Transfer Case supplied by purchaser (far left).

TTi GTR

DESIGNED FOR PERFORMANCE

With straight-cut gears, large teeth and made of strong steel as well as a light-weight casing, the TTI GTO sequential gearbox is designed to perform.

As a result, these New Zealand-designed and manufactured sequential gearboxes are popular amongst club racers, drifters and high-end race cars worldwide – especially in Asia, Australia and Russia.

Users of TTI gearboxes simply love the sheer strength, durability and ruggedness that the GTO sequential has to offer. All gearboxes are designed for lightening quick gear changes and can handle the toughest of racing conditions. They are built as a constant mesh design with dog rings splined to the output shaft, using a rotating drum driving the fork.

Repairs and maintenance are straight forward, with all joining surfaces using O-rings rather than gaskets and silicon, and only two different casing types (3 & 5 speed use one casing, 4 & 6 use another) which makes the TTi GTO modular sequential gearboxes easy to overhaul.

The boxes are generic and can be fitted into many chassis and onto many engines using adaptors and bellhousings. Custom adaptors can be made to fit other engines if the purchasers buy or source an automatic bell housing. A single and dual shifter with linkages to the gearbox are available as accessories to the gearbox.

All gearboxes are sold with the standard engine clutch spline. TTI recommends the Tilton clutch system. A Potentiometer is supplied with each gearbox, either with a display or without if the customer wants it wired into an ECU.

Shifting with Bruce - how to change gear when using a TTi gearbox

Ben Wilkinson races in his TTi gearbox car

“I have been lucky enough to travel the world and drive some amazing race cars… but the one thing that remains consistently, and if you are there to win, you have to have great machinery … I have won 2 NZ touring car titles and both times had the right gear. TT Industries have produced a world class gearbox that is consistent and reliable and has delivered every time … and us race car drivers give it plenty.

TT Industries can match and outperform any gearbox produced anywhere around the world…and it’s made in NZ.

Give me a TTi box anyday.”

Jason Bargwanna – Bathhurst 1000 Winner. Won two NZ touring car titles with our sequential 6 speed gearbox.