Flex R31 Pro V2 44mm Turbo 4JJ1 1KD – High-Performance Upgrade for Diesel Engines
Upgrade your Toyota 1KD-FTV or Isuzu 4JJ1 diesel engine with the Flex R31 Pro V2 44mm Turbo 4JJ1 1KD, a precision-engineered gated turbo designed for maximum airflow and power. Featuring a 44mm compressor wheel, this turbo delivers significant performance improvements over stock units, boosting horsepower up to 300 and enhancing torque across the rev range.
Perfect for off-road enthusiasts, tow vehicles, and performance builds, the Flex R31 Pro V2 44mm Turbo 4JJ1 1KD offers a direct bolt-on fit with minimal modifications required. Its durable construction ensures reliability under harsh conditions, making it ideal for Australian diesel drivers seeking dependable power gains.
Whether you drive a Toyota Hilux, Prado, or an Isuzu D-MAX, this turbo upgrade supports improved throttle response, faster spool times, and consistent boost delivery. Maximise your diesel engine’s potential with the trusted Flex R31 Pro V2 44mm Turbo 4JJ1 1KD today.




