The PRP Billet Block Insert for the Toyota GR Yaris and GR Corolla G16E-GTS engine is designed to significantly improve block rigidity in high-boost and high-load applications. As power levels increase, the factory open-deck design of the G16E engine can allow cylinder movement under extreme cylinder pressure. This billet block insert reinforces the upper cylinder area, reducing bore distortion and improving overall engine durability when running higher boost, aggressive tuning, or sustained motorsport use. Precision-machined from high-strength billet material, the PRP block insert is engineered to integrate cleanly into the factory block, making it an essential upgrade for serious street, track, and competition builds pushing the limits of the GR platform. Key Features Designed specifically for Toyota GR Yaris & GR Corolla (G16E-GTS engine) Reinforces cylinder walls in open-deck block design Reduces bore distortion under high boost and cylinder pressure Improves engine reliability for performance and motorsport use Precision CNC-machined billet construction Ideal for high-power street, track, and race builds Genuine Platinum Racing Products component Fitment Notes Suits Toyota GR Yaris & GR Corolla G16E-GTS engines Engine machining and professional installation required Recommended for high-boost or competition applications If you’re unsure whether this block insert is suitable for your intended power level or build, please contact us before ordering. Availability & Lead Time Due to the size and variety of the Platinum Racing Products range, some items are supplied to order rather than held on the shelf. Lead times can vary. If you need an item urgently, please contact us before ordering so we can confirm availability.
Related
Related
Related
Related