Speedtek T56 / TR6060 & Magnum 6-Speed Dog Engagement Gearset
Heavy-Duty Custom Transmission Gearset, with the options to fine tune the ratio's to either a Wide-Ratio or a Close-Ratio depending on requirements!
Key Features:
- 6 Forward Dog Engagement Gears
- 1 Reverse Dog Engagement Gear
- Optional Input Shaft Spline: 26 Spline or 29 Spline
Input & Output Shaft Compatibility:
- GM / Holden: GTO / SS Commodore
- Chevrolet: Corvette C5 / C6
- Dodge: Viper, Challenger
- Cadillac: CTS-V
- Ford: Barra 4.0L, Mustang
- Custom Applications: Other options available upon request (additional costs may apply)
Design & Performance Enhancements:
- Individually removable gears for easy maintenance
- Helical-cut extreme-duty design
- Heavy-duty 42mm input shaft drive & driven gears
- 8mm thick dog rings for extreme durability
- Heavy-duty chromoly shift forks
- 18-spline hub design for enhanced strength
- One-piece countershaft design
- 31 Spline Mainshaft (for T56 applications)
- Wide range of fitment possibilities for various performance builds
Various Gear Ratio Options ;
(Tooth Count is listed Main Gear Count & Counter Gear Count)
Various first gear options available depending on requirements for various applications.
1️⃣ 2.01 (20 / 11) 1️⃣ 2.22 (22 / 11)
1️⃣ 2.49 (27 / 12) 1️⃣ 2.68 (29 / 12) 1️⃣ 2.96 (32 / 12)
2️⃣ 1.73 (25 / 16) or 2️⃣ 1.94 (28 / 16)
3️⃣ 1.28 (24 / 19) or 3️⃣ 1.40 (21 / 19)
4️⃣ 1:1 (18 / 20)
5️⃣ 0.87 (24 / 19)
6️⃣ 0.70 (22 / 14) or 6️⃣ 0.60 (24 / 13)
🔄 Reverse: 2.77
Production Timeline:
📅 Expected release: Q2 - Q3 2025
Important Notes:
✅ Tail Housing Modification Required
- To fit the 31 Spline Slip Yoke, the tail housing must be machined to accommodate the larger bushing we provide.
✅ TR6060 Compatibility
- Utilizes OEM Mainshaft for seamless integration.
Upcoming Upgrades:
- Race-Spec Short Shifter
- Billet Front Transmission Plate (compatible with Tilton 8000 Series Hydraulic Release Bearing for T56)
- Oil Spray Bar Option (for 1st to 4th gears)
- Detent Kit (for enhanced shift feel)
- Billet Transmission Casing (TBA)
🚨 Pre-Order Policy: Strictly no refunds on pre-orders. We are working as quickly as possible to bring this gearset to market.
Stay tuned for further updates! 🚀