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Wiseco

Wiseco Mitsubishi 4G63T 86.75 mm Bore 34.87 mm CH -4.75 CC Piston Set

$958.99

SKU: W00C K668M8675AP

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: K668M8675AP

Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco s Professional Series.

Features:

  • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
  • ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
  • Fully machined crown features
  • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
  • Forced pin oiling
  • Designed and built to withstand heavy to severe duty performance applications

Wiseco Mitsubishi 4G63T Piston Set, 86.75 mm Bore, 34.87 mm Compression Height, 0.866 in. Pin Diameter, Sport Compact, Set of 4.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

Wiseco Sport Compact 86.75mm .070 over 10.5:1 CR Pistons are designed for high-performance engine builds for 1996-2006 Mitsubishi Evo 4-9 (4G63/4G64 engine). They feature valve pocket designs that optimize flow around valves and piston crown shapes that promote maximum intake charge efficiency, enhancing resistance to detonation and pre-ignition, leading to a longer engine life and increased horsepower potential. The pistons also incorporate precision-machined ring grooves and complex skirt profiles to reduce friction.

Fitment

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Specifications

BrandWiseco
Part NumberW00C K668M8675AP

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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