HKS

HKS GTIII 4R TURBO KIT FOR MAZDA RX7 FD3S 13B

HKS provides an easy solution of a single turbine set up GTIII-4R turbo for your RX7 FD.

To replace the stock RX7 small twin turbo setup for a much higher power range and a more reliable turbine life.

HKS turbo series are available for a great variety of tuning requirements. "GT III Turbine" is a new generation of turbo combining the latest design CHRA with HKS original housings. "GTII Turbine" is an HKS original design turbo considering various engine characteristics for higher engine power and response.

A successor model of the lengendary TO4Z. Compact in size, but withstandable over 700PS. Highly reliable MHI high performance CHRA & highly durable aluminum forged impeller are well-balanced. Ported shroud function is selectable using an adapter. Replacing the position of the bolt securing ported shroud is able to keep the intake air path to reduce surging. Impeller wheel rotation sensor compatible.  Easy replacement with TO4Z series turbine and the turbo kit using TO4Z. (Oil inlet / outlet are designed for GTIII-4R). 

Kit Includes :

- HKS cast Exhaust Manifold

- HKS Special Wastegate (φ60)

- Wastegate return pipe, oil inlet and outlet pipe, flange, gasket, bolts and nuts etc.

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