Wiseco K625M87AP 1400 HD Mitsubishi 4G63 Turbo Forged Piston Kit 87mm Bore -14cc

The Wiseco K625M87AP is a 1400 HD Series forged piston kit engineered specifically for the turbocharged Mitsubishi 4G63 engine platform. Designed to handle heavy to severe-duty performance builds, this kit delivers the reliability and precision needed for high-boost forced induction applications.

Key Features:

• Forged from 2618 aluminum — engineered, forged, and machined in the USA for improved tensile strength under extreme thermal and mechanical loads
• ArmorGlide® Skirt Coating — provides seizure resistance, reduces friction, and enables quieter engine operation
• Fully machined crown features — precision valve pockets, complex dome and crown geometry optimized for the 4G63 head
• Precision ring grooves — includes anti-detonation groove and additional ring seal features for superior combustion sealing
• Forced pin oiling — ensures positive lubrication to the wrist pin under high-load conditions
• Steel nitride/napier XX rings — premium ring package included for optimal ring seal
• -14cc dish volume — 9.8:1 compression ratio, ideal for turbocharged E85 and pump gas applications

Specifications:

• Bore: 87mm (+0.02)
• Stroke: 100mm
• Rod Length: 150mm
• Compression Height: 35mm
• Pin Diameter: 21mm
• Block Height: 235mm
• Piston Weight: 369 grams each
• Compression Ratio: 9.8:1
• Replacement Pin: S721
• Replacement Rings: 8700XX

Built for the Mitsubishi 4G64 block with 4G63 head configuration, the K625M87AP is a trusted choice for DSM and Evo performance builders seeking a shelf-stock forged piston kit rated for demanding turbocharged duty cycles.