HKS 21004-AT012 Stroker Kit Step 3 for TOYOTA GR Yaris / GR Corolla (G16E-GTS Engine)

G16E－GTS High Compression Stroker Kit. Best performance is shown with High Octane Fuel

Specifications

• Boar: 88.0 mm
• Stroke: 95.7 mm
• Displacement: 1,746 cm3
• Comp. Ratio (t=0.79): 11.6

Parts Included in the Kit

• Piston Kit D-88 (incl. Piston Rings and Pins)
• Conrod Set
• Crankshaft

Piston

• Diameter：D-88
• Weight：314g

Features

• Crown shaped structure speeds up the combustion spread, suppresses knocking and achieves a high compression ratio.
• A2618 material has high-temperature strength making it possible to make the wall thinner, resulting in weight reduction.
• Precise machining has eliminated excess material, achieving weight reduction.
• Bridge structure has increased structural rigidity and achieved weight reduction.
• The cooling oil from the three oil jets is efficiently guided through the piston to optimal locations, ensuring effective cooling.
• The area above the top ring groove has been nickel-plated to improve knock resistance and wear resistance.
• The use of a two-layer coating has improved for seizure resistance and lower friction.
• The weight of the port has been reduced by shortening the piston pin.
• The top ring has been titanium-coated to improve durability.
• The edges that are prone to becoming heat spots have been carefully removed by machining.

Connecting rods

• Use machined I-Beam connecting rods made of nickel-chrome steel.
• 25% strength increase over the OEM product.
• Compatible with D24 piston pins.
• WPC surface treatment for improved fatigue strength

Crankshaft

• A full counter crankshaft machined from chrome steel reduces the burden on the main bearings.
• The inertia weight has been reduced efficiently by positioning the counterweight and reducing the weight of the pin.
• Response is also improved by removing the balance shaft.
• The balance rate of 50%, suppresses the vibrations unique to 3-cylinder engines.