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Auto Sports Engineering Supra MK4 1JZ & 2JZ T56 Magnum Transmission Conversion Kit

Save 18% Save 18%
Original price $2,249.99
Original price $2,249.99 - Original price $2,249.99
Original price $2,249.99
Current price $1,849.99
$1,849.99 - $1,849.99
Current price $1,849.99

Transform your Toyota Supra MK4 into the ultimate driver's car with the Auto Sports Engineering (ASE) T56 Magnum Transmission Conversion Kit. Engineered around the legendary Tremec Magnum-F 6-speed manual transmission, this complete conversion package delivers exceptional strength, smooth shifting, and the reliability demanded by high-horsepower street and track builds.

Designed specifically for 1JZ and 2JZ-powered Supra MK4 applications, the kit features ASE's signature billet JZ-to-Magnum bellhousing, a shaved transmission case for improved tunnel clearance, a custom-offset shifter for factory-like positioning, and a billet crossmember with a urethane transmission mount. Every major component has been engineered to simplify installation while maintaining the quality and precision Auto Sports Engineering is known for throughout the JZ community.

Complete Transmission Conversion Kit: Includes the essential components needed to install a Tremec Magnum-F 6-speed transmission into your JZ-powered Supra MK4.

ASE Billet JZ Bellhousing: Precision CNC-machined billet bellhousing provides exceptional strength, accurate alignment, and long-term durability.

Brand New Tremec Magnum-F Transmission: Industry-proven 6-speed manual transmission engineered to handle high horsepower and aggressive driving.

Optimized Tunnel Clearance: Transmission case is professionally shaved to improve chassis clearance and simplify installation.

Custom Offset Shifter: Tremec shifter features a custom 2-inch offset to position the shift lever closer to the factory shifter opening.

Billet Crossmember & Urethane Mount: Heavy-duty billet transmission crossmember paired with a urethane transmission mount minimizes drivetrain movement while maintaining excellent durability.

Bluetooth Speedometer Solution: Includes a Bowler wireless Bluetooth speedometer or reverse lockout conversion harness for simplified vehicle integration.

Complete Installation Hardware: Includes all required hardware for transmission assembly and installation.

What's Included

  • ASE Billet JZ to Tremec Magnum Bellhousing
  • Brand New Tremec Magnum-F 6-Speed Transmission
  • Shaved Transmission Case
  • Tremec Shifter with 2-Inch Custom Offset
  • Bowler Wireless Bluetooth Speedometer or Reverse Lockout Conversion Harness
  • Billet Transmission Crossmember
  • Urethane Transmission Mount
  • Complete Installation Hardware

Vehicle Fitment

  • Toyota Supra MK4 JZA80 (1993–2002) with 1JZ Engine
  • Toyota Supra MK4 JZA80 (1993–2002) with 2JZ-GE Engine
  • Toyota Supra MK4 JZA80 (1993–2002) with 2JZ-GTE Engine

Important Notes

  • Tremec Transmission Part Number: TUET16362
  • Gear Ratios:
    • 1st: 2.66
    • 2nd: 1.78
    • 3rd: 1.30
    • 4th: 1.00
    • 5th: 0.80
    • 6th: 0.63
  • Designed specifically for Toyota Supra MK4 JZA80 applications.
  • Additional components such as a clutch, flywheel, hydraulic system, driveshaft, and transmission fluid may be required depending on your vehicle configuration.
  • Professional installation is strongly recommended.
  • Verify engine, transmission, and drivetrain compatibility before ordering.

Why Choose Auto Sports Engineering

Auto Sports Engineering designs premium drivetrain components for serious Toyota enthusiasts and racers. Known for precision-machined billet products and innovative engineering, ASE conversion kits provide the fitment, durability, and performance required for high-powered street cars, drift cars, and competitive motorsport builds.

About Us

We are passionate Lexus and Toyota enthusiasts dedicated to providing the highest quality aftermarket parts to enhance your ride. Our goal is to help you find the perfect performance upgrade, whether you're building your dream car or just adding that next improvement. We take pride in offering products that we trust for our own vehicles.

Shipping

Shipping times vary based on item availability and specific lead times. You can expect an email with an estimated shipping date within 1-3 days of placing your order. Many in-stock parts ship within 2-5 business days, while certain built-to-order items may take up to 7-10 business days. For back-ordered items, availability may vary, but we will email you with any ETA changes.

Once your items are ready to ship, we will send tracking information via email so you can easily follow your package from our warehouse to your door. Please note, some parts may be shipped separately and could arrive at different times. Shipping costs apply to the lower 48 states, unless stated otherwise, and international orders may be subject to additional customs or duties fees.

What to Expect Upon Delivery

Upon receiving your order, please inspect the items immediately for any damage or missing parts. Verify all items against the packing slip or instructions before starting installation. We cannot be held responsible for costs incurred from delays due to missing items.

If any items are damaged or missing, please get in touch with us within 14 days of receipt so we can assist with a replacement. Claims made after this period will not be honored.

Cancellation Policy

If you need to cancel or modify your order, please contact us as soon as possible. We strive to ship your order quickly, and once processing begins, cancellations may be subject to a restocking fee. Orders canceled within 24 hours of purchase may not incur a fee, but after that time, restocking fees (typically 20%) will apply depending on the items and the stage of fulfillment.

Return Policy

Customer satisfaction is our priority, and we are happy to assist with returns. However, due to the complexity of sourcing and delivering our products, returns are subject to a restocking fee (usually 20%) based on the item and manufacturer.

Before returning any items, please get in touch with us to receive a return authorization. All return requests must be made within 30 days of receiving your merchandise. Once approved, items must be returned within 14 days in their original condition. Improper packaging of returned items may result in customer responsibility for damages.

Customers are responsible for return shipping costs, unless the item is defective or we shipped the wrong item. A trackable shipping method is strongly recommended.

Warranty

We honor all manufacturer warranties and are here to support you in getting the quality products you deserve. However, please note that warranty claims are available to the original purchaser only. In certain situations, manufacturers may handle warranty claims directly, and we are unable to cover costs not specified in the manufacturer's warranty (e.g., shipping, labor). If you have any questions, feel free to reach out to us.

Emissions Notes

All parts and services offered by LunaticsCo are for competition vehicles only. Use on state and federal highways may be a violation of the EPA Clean Air Act. The Clean Air Act can be found at http://www.epa.gov/air/caa/. This document details what are considered violations of the CAA and the corresponding penalties for failure to comply. It should be read in full before purchasing or installing this competition-use-only product. Ensuring that all emissions, noise/sound, and speed/use-related laws are followed is the responsibility of the buyer(s). Installation and use of this product indicate that this disclaimer has been read, acknowledged, and fully understood by both the buyer(s) and installer(s). The buyer(s) assume all associated risks of purchase.

Federal and several state laws prohibit the removal, modification, or rendering inoperative of any part that affects emissions or safety on motor vehicles used on public streets or highways. LunaticsCo assumes no liability for any violations arising out of any federal, state, or provincial emissions or safety requirements on motor vehicles resulting from the customer’s modifications and/or use of LunaticsCo products. It is the responsibility of the customer to determine if their modified vehicle complies with applicable laws.