SKU: 57225212809
top speed in first gear

top speed in first gear TREMEC TCET18083 TKX 5-Speed Manual Transmission Wide Ratio Chevy

Sale price$24.69 Regular price$27.43
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Ships within 48 hours · Estimated delivery Sep 21 - Sep 26

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Description

top speed in first gear TREMEC TCET18083 TKX 5-Speed Manual Transmission Wide Ratio ChevyCompact high strength manual transmission engineered for aggressive street performance, road race builds, and pro touring applications. The Tremec TKX platform is designed specifically for aftermarket performance vehicles requiring high torque capacity, elevated RPM shift capability, and improved transmission tunnel clearance. This ratio configuration features a deeper 3. 27 first gear for strong acceleration and a . 72 overdrive suited for

Compact high-strength manual transmission engineered for aggressive street performance, road race builds, and pro-touring applications.

The Tremec TKX platform is designed specifically for aftermarket performance vehicles requiring high torque capacity, elevated RPM shift capability, and improved transmission tunnel clearance.

This ratio configuration features a deeper 3.27 first gear for strong acceleration and a .72 overdrive suited for performance-focused cruising, making it well suited for vehicles prioritizing launch performance and close-ratio driving feel.


Transmission Configuration

  • GM TKX case pattern
  • 26-spline input shaft
  • 31-spline output shaft
  • Single overdrive 5-speed design
  • Compact low-profile aluminum housing

Gear Ratios

1st — 3.27
2nd — 1.98
3rd — 1.34
4th — 1.00
5th — 0.72


Torque & RPM Capability

  • Rated for 600 lb-ft torque capacity
  • Supports engine speeds up to 8,000 RPM
  • Designed for performance shifting near 7,500 RPM

Design & Performance Engineering

Three-piece aluminum case construction increases structural rigidity

Compact end-loaded architecture improves transmission tunnel clearance

Multi-cone synchronizers provide smoother high-RPM gear engagement

Internal three-rail shift system improves shift precision and durability

Wide gear face width increases gear life and torque capacity

Alloy steel gears and shafts manufactured from ASTM 4615 material

Caged needle bearings reduce friction and gear end-play

Optimized gear geometry helps control noise, vibration, and harshness

Integrated reverse light and cruise control safety switch provisions


Fitment & Installation Advantages

Multiple shifter location provisions for improved interior positioning

Designed to fit many performance applications with minimal tunnel modification

GM-specific case configuration for proper drivetrain alignment

Integrated transmission mount pattern provisions


Technical Specifications

Transmission Type — 5-Speed Manual Overdrive
Torque Capacity — 600 lb-ft
Input Shaft — 26 spline
Output Shaft — 31 spline
Case Construction — Aluminum 3-piece housing

Instructions

Tremec TKO & T-56 Installation Instructions

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 57225212809

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ThinGinn35
Draper, US
★★★★★ 5
Who knew!?
Size: 3X-Large
I have problems with elastic around my legs so I looked for underwear without the elastic and found these. Okay, not the best look for “date night” but the itchiness is gone when I wear these underwear. I consider it a miracle! Date night will just have to be à la cart.
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Reviewed in the United States on May 14, 2026
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Nikolaus
San Leandro, US
★★★★★ 4
Lil tight
Size: 3X-Large
Def purchase a size above what you normally wear. I unfortunately could not go any higher of a size. Its more of a snug fit, somewhat stretchy, but the fabric is soft and feels great. If the size was just a lil bit bigger these would be perfect. But they feel good.
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Reviewed in the United States on April 25, 2026
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Tamika Shy
Charlottesville, US
★★★★★ 5
Love
Size: Medium
I am someone that really does not like to wear underwear, but I don't need to be flashing everybody. I probably should have went with some calmer prints, but they are comfy! Sometimes I forget that they are supposed to be underwear and I walk outside in them.
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Reviewed in the United States on April 22, 2026
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cwisecousin
Boise, US
★★★★★ 2
Size chart does not reflect actual size of garment.
Size: 3X-Large
I ordered these according to the size chart. Asian sizes are much different from U.S. sizes. What I received does not coincide with measurements given. The only good thing I can say is that the colors are pretty.
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Reviewed in the United States on January 7, 2026
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Jasmine Coenen
Alexandria, US
★★★★★ 5
Soft and comfortable
Size: Small, Color: 5 Pack - Modal Blue/Red/Grey
My son love that these are longer on his tights than other brands that ride up. No more picking wedgies during sports! Very happy with them as a mama. My son says they are soft and comfortable and asked for me to order more!
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Reviewed in the United States on May 24, 2026

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