Forged Piston 86mm 87mm 22mm Pin CR 9:1 Compatible With 4G63(87mm)

4 pcs Forged Pistons with pins and rings for 4G63 EVO engine Piston x 4 pieces Piston pin x 4 pieces Pin lock x 8 pieces Piston ring set for 4 cylinders Piston Material: 4032 , contains higher silicon content compared to 2618, resulting in reduced noise, increased tensile strength, and lower thermal expansion coefficient Tolerance for pin hole: 0.001 mm Tolerance for diameter: 0.005 mm Clearance between cylinder and piston skirt: 0.04–0.06 mm Rings made in Taiwan : MIT-013 Engine: 4G63 Compatible Models: 4G43 EVO Bore Size: 86mm / 87mm Compression Ratio: 9.0:1 Compression Height: 35mm Pin Diameter: 22mm Overall Height: 56mm Ring Thickness: 1.2mm + 1.2mm + 2.0mm Rod Length: Not specified Gram Weight: Not specified Compatibility Advisory: This product is not affiliated with the manufacturer.Brand mentions are for fitment reference only.

• Model compatible with 4G63 engines commonly found in EVO applications fitment across multiple performance builds
• forged piston construction delivers enhanced strength and under boost and RPM conditions
• Available in 86mm and 87mm bore sizes providing flexibility for both stock rebuilds and performance overbore engine configurations
• Features a 22mm wrist pin diameter designed to maintain structural integrity and proper clearance in turbocharged environments
• Compression ratio set at 9:1 ideal for forced induction setups supporting efficient power output and improved throttle response