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The TKX Joins TREMEC's 5-Speed Line Up!
You've asked for a more compact, stronger 5-Speed that could handle high RPM shifting and TREMEC heard you! The TKX joins the T-5, TKO, TR-4050, Magnum, Magnum-F, and Magnum XL as the latest TREMEC manual aftermarket transmission. What makes it different?

  • Compact, Rounded Case - Smaller than the T-5 in the main case and shifter areas which means no cutting with most models!
  • Gear Ratios:
Wide Ratio: 3.27, 1.98, 1.34, 1.00, 0.72
Close Ratio: 2.87, 1.89, 1.28, 1.00, 0.81 or 0.68
  • 600 lb•ft Torque Capacity (Both gear sets)
  • Multi-cone Synchronizer Design with Carbon Hybrid Blocker Rings provide smooth shifting with an 7,500 rpm shift capability.
  • Two Stock Shifter Positions on rear just like the TKO with numerous custom options available from SST.

If you purchase your TKX from Silver Sport Transmissions, you can get these additional benefits:

  • STX Shifter - Compact, with short throws and proper shifter location for your classic
  • PerfectFit™ Kits - Complete kits to make the conversion easy and give you the proper shifter position. Plus, SST extends the warranty to 36 months.
  • Best Customer Service and Support
  • Hassle Free and Unbiased Sales Process - We have no commissioned salespeople.
Tech Corner
TKX Features and Overview
Jeff Kauffman, VP of Sales and Marketing, goes over the features of the new TREMEC TKX 5-Speed.
TKX Questions and Answers
TKX shown with an STX Shifter for the GM A-Body (64-67 Chevelle, 64-72 Tempest, 64-72 LeMans, 64-72 GTO, 64-72 Skylark, 64-72 Cutlass, and 64-72 442) and the floor shift conversion location for 55-57 Chevy.
Q. I have an old TKO that's worn out after years of abuse at the track, can I replace it with the TKX?
A. Yes, the TKX has the same face to mount and length dimensions as 3550/TKO.

Q. How does the TKX compare to the Legend LGT-700 (aka the Keisler SS-700)?
A. The TKX is just as compact and versatile as the hard to find and no longer supported LGT-700. If you have been looking for an LGT-700, the TKX is a better alternative.

Q. Will I have to wait for a kit to be developed for my car?
A. No, if we had a kit for the TKO, we have one ready for the TKX.

Q. How soon can I purchase a TKX?
A. We are taking pre-orders now, but the first units will probably ship late November or early December once our first shipment arrives from TREMEC. Orders will be filled in the order they were taken.

Q. Do I have to put money down to reserve a TKX?
A. No, we do not take deposits. However, if you'd like to start your 10-10-10 PerfectPay™ Plan now on a TKX kit, you can do that.

Q. How much does a stock TKX cost?
A. TREMEC has set MAP pricing at $2,795.00.

Q. Are you taking trade-ins?
A. No, we do not take trade-ins.
Do You Have More Questions?
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$250 OFF
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All complete transmission kits.
Expires 11/30/2020 Cannot be combined with other discounts. TKX, Magnum-XL, and Magnum-F are excluded.
$250 OFF
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All complete transmission kits.
Expires 11/30/2020 Cannot be combined with other discounts.
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Car Shows
SEMA360
Normally SEMA is closed off to the general public, but this year it had to go virtual, which is great news for you; you can find many interesting videos on YouTube highlighting the new products and builds that would have been in Vegas if it weren't for the pandemic. Jay Leno kicked off the SEMA360 with a tour of his garage and a few examples of vehicles you would have seen at SEMA. We started the video on the SST equipped Ford Bronco. It has the TREMEC TR-4050 5-Speed PerfectFit Kit. You can toggle back to the beginning if you want to watch the whole thing.
Customer Testimonials
Brandon's 1987 Monte Carlo SS
The late 80s classics are becoming more popular, and one look at Brandon's Monte Carlo shows us why! We love it! He as a 355 SBC and went from automatic to TREMEC Magnum 6-Speed.
2250 Stock Creek Blvd. Rockford, TN 37853
888-609-0023 • ShiftSST.com • info@shiftsst.com