Quantum Auto

This premium transmission adapter kit from Quantum-Auto is expertly designed for seamless compatibility with UZ-series engines. Engineered and manu...

Tired of the sloppy, overvalued adapter plates on the market? Quantum Auto's billet aluminum adapter plate offers a perfect fit for your 1JZ or 2JZ...

Take your UZ engine swap to the next level with our meticulously designed adapter plate, built for superior fitment, durability, and performance. T...

Unleash the full potential of your Lexus IS350 with our cutting-edge performance engine tuning service. Designed specifically for the IS350, our se...

This service requires you to mail your ECU so we can tune it! We currently do not offer GS replacement ECUs.  Unleash the full potential of your Le...

Unleash the full potential of your Lexus IS300 with our cutting-edge performance engine tuning service. Designed specifically for the IS300, our se...

Unleash the full potential of your Lexus GS430 with our cutting-edge performance engine tuning service. Designed specifically for the GS430, our se...

Unleash the full potential of your Lexus IS250 with our cutting-edge performance engine tuning service. Designed specifically for the IS250, our se...

Bought a new ECU but want to keep your original keys? Our expert team at Quantum Auto specializes in removing ECU immobilizers for Lexus and Toyota...

Upgrade your build with our precision-engineered adapter plate, designed to seamlessly connect Toyota R-Series 5-speed manual transmissions to the ...

Transform your build with this Quantum Auto CNC-machined adapter plate, designed to connect Toyota’s R-Series 5-speed manual transmissions to the p...

Transform your 1UZFE, 2UZ, or 3UZ V8 engine into a manual transmission powerhouse with this high-quality adapter plate. Designed to connect your UZ...