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The HKS Special GT III-4R turbo setup kit for FD3S 13B applications packages a vehicle-specific turbo installation solution for rotary-powered RX-7 owners. It supplies the core components needed to fit an HKS GT III-4R turbo to the FD3S 13B engine, offering a direct, application-focused option from HKS that streamlines turbo upgrades while maintaining fitment intent for the 13B rotary platform.
HKS SPECIAL SET UP KIT GT III-4R for FD3S 13B
