Wiseco Mitsu 4G64 w/4G63 Heads 10.5:1 E85 Piston Shelf Stock Kit

SKU: WISK656M855

Pistons

WIS Piston Sets - 4 Cyl...

Wiseco

Wiseco Mitsu 4G64 w/4G63 Heads 10.5:1 E85 Piston Shelf Stock Kit

SKU: WISK656M855

Pistons

WIS Piston Sets - 4 Cyl...

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Description

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.

Application Summary

Mistsubishi 4G63

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-10-14 16:45:46

Features

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

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: K656M855
Product Attributes - Part Type: Pistons
Product Attributes - Product Line: Wiseco Sport Compact Pistons
Product Attributes - UPC: 00193564448217
Product Attributes - Piston Rings Included: No
Product Attributes - Bore (in.): 3.366 in.
Product Attributes - Bore (mm): 85.500mm
Product Attributes - Piston Style: Dish, with four valve reliefs
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Compression Height (in.): 1.378 in.
Product Attributes - Piston Head Volume (cc): +4.50cc
Product Attributes - Wrist Pin Style: Press-fit or floating
Product Attributes - Wrist Pin Retainers Included: Yes
Product Attributes - Wrist Pin Included: Yes
Product Attributes - Pin Diameter (in.): 0.866 in.
Product Attributes - Piston Ring Thickness: 1.00mm x 1.20mm x 2.80mm
Product Attributes - File Fit: No
Product Attributes - Gapless: No
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold as a set of 4.
Product Attributes - Notes: Designed for the 4G63 engine using a 4G64 100mm stroker crankshaft.

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisK656M855
SFX Item ID	4063273
Supplier Item Code	4063273
Manufacturer SKU	K656M855
Manufacturer UPC	193564448217
Alternative References	4G64, w/4G63, E85