Speedtek TKX 5-Speed Dog Engagement Gearset
A heavy-duty, purpose-built transmission gearset — the only dog engagement solution of its kind developed specifically for the Tremec TKX platform.
Designed for high-horsepower motorsport use, this gearset delivers uncompromising strength, fast shifts, and race-proven durability.
Key Features
-
5 Forward Dog Engagement Gears
(Optional 4-Speed Dog Engagement with OEM 5th Gear) -
Dog Engagement Reverse Gear
-
Input Shaft Spline Options
-
26-Spline (Standard)
-
29-Spline (Optional)
-
-
Input Shaft Compatibility
-
GM
-
Ford
-
Design & Performance Enhancements
-
Individually removable gears for simplified servicing and maintenance
-
Helical-cut extreme-duty gear design for increased strength and smoother engagement
-
7mm-thick dog rings for maximum durability under aggressive shifting
-
Heavy-duty chromoly shift forks
-
Fully proprietary Speedtek Auto Racing design
Gear Ratios
1️⃣ 2.70
2️⃣ 1.90
3️⃣ 1.30
4️⃣ 1.00 (Direct Drive)
5️⃣ 0.85 (Short) or 0.70 (Long)
🔄 Reverse: 3.00
Availability & Production Timeline
-
Currently in the design phase
-
Design completion expected end of February
-
Production scheduled to commence March–April
-
First production batch estimated Q3–Q4 2026
(Timelines are estimates and subject to change due to ongoing development and testing.)
⚠️ Pre-Orders are strictly non-refundable.
We are pushing development at full speed to deliver a world-class, race-ready product worthy of the Speedtek name.