Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset
  • SKU: T56DOGSET-HOL
  • Availability: in stock Many in stock Out of stock You can purchase this product but it's out of stock

Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset

$4,999.00
DESCRIPTION

Speedtek T56 1st to 4th 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:

  • 4 Forward Dog Engagement Gears
  • Input Shaft Spline: 26 Spline (Optional 29 Spline Available)
  • Various Input Shaft Options:
    • GM/Holden GTO / SS Commodore
    • Corvette C5 / C6
    • Dodge Viper
    • Dodge Challenger
    • Cadillac CTSC
    • Ford Barra 4L
    • Ford Mustang
    • Other options available upon request (additional costs may apply)

Design & Performance Enhancements:

  • Individually removable gears for ease of 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
  • 12-spline hub design
  • Two-piece countershaft design (retains OEM 5th & 6th gears)
  • Designed to suit factory mainshaft

Various Gear Ratio Options ;
(Tooth Count is listed Main Gear Count & Counter Gear Count)

1️⃣ 2.49 (27 / 12) or 1️⃣ 2.68 (27 / 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 OEM
6️⃣ OEM
🔄 Reverse: OEM

Availability & Production Timeline:

Prototype Completed – Mass production begins in 2024
First batch expected by Q1 2025 (Q2 2025 worst case scenario)

We are actively developing variations for different models to ensure maximum compatibility—such as the LS-powered Commodore and the Barra 4L-powered Falcon.

Additional Upgrades:

  • Race Spec Short Shifter
  • Billet Front Transmission Plate (Compatible with Tilton 8000 Series Hydraulic Release Bearing)
  • Oil Spray Bar Option for 1st to 4th Gears
  • Detent Kit for additional Shift Feel

⚠️ Pre-Orders are strictly non-refundable. We are working as fast as possible to deliver a top-tier product.

SHIPPING & LEAD TIME
If product Ex-Stock Australia, Product will be sent within 3-5 Business days. If product Not instock AUS, a 3-4 week lead time will apply.
REVIEWS
RETURNS POLICY
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at admin@speedtekautoracing.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. Please note, a restocking fee of 15% will apply to any returned goods. You can always contact us for any return question at admin@speedtekautoracing.com. Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. Exceptions / non-returnable items Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards. Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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