
HKS GR Corolla BCD Piston + Conrod Kit G16E H-COMP Triple Tumble STEP3
Product Specifications MAKE TOYOTA MODEL GR COROLLA MODEL YEAR 2023-2025 ENGINE G16E-GTS CHASSIS CODE GZEA14H DRIVE TRAIN AWD New G16E-GTS Piston & Conrod Kit for High Compression:Original Piston Crown Design to improve knock resistance Parts Included Piston Kit D87.5 (incl. Piston Rings and Pins) (Billet, machined, nickel plated, 2-layer molybdenum coating) CONROD SET G16E STEP3 Key Features Piston Diameter: D87.5 / Weight: 352g To enhance knock resistance and achieve higher compression ration, we have adopted HKS's unique "Triple Tumble" crown structure. (Triple Tumble crown structure) The piston crown's design creates a third tumble flow on the intake side as the piston moves upward. This quickly spreads the flame near the edge of the intake side, which helps prevent engine knock. High-temperature-resistant A2618 material and precision machining combine to deliver significant weight. "Bridge Concept Design" (BCD) structure enhances structural rigi