Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.5 Piston Shelf Stock Kit

SKU: WISK599M995

Pistons

WIS Piston Sets - 4 Cyl...

Wiseco

Wiseco Subaru EJ25 DOHC 4v InvDme -23cc 99.5 Piston Shelf Stock Kit

SKU: WISK599M995

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

Subaru EJ25 2.5L 16V

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-10-14 16:45:47

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 - UPC: 00193564076601
Product Attributes - Brand: Wiseco
Product Attributes - Stroke: 3.110 in.
Product Attributes - Gapless: No
Product Attributes - File Fit: No
Product Attributes - Quantity: Sold as a kit.
Product Attributes - Bore (mm): 99.500mm
Product Attributes - Part Type: Pistons
Product Attributes - Bore (in.): 3.917 in.
Product Attributes - Rod Length: 5.167 in.
Product Attributes - Piston Style: Dish, with four valve reliefs
Product Attributes - Product Line: Wiseco Sport Compact Piston and Ring Kits
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Wrist Pin Style: Press-fit or floating
Product Attributes - Oil Ring Tension: Standard
Product Attributes - Oil Ring Material: Stainless steel
Product Attributes - Top Ring Material: Steel
Product Attributes - Oil Ring Thickness: 2.0mm
Product Attributes - Pin Diameter (in.): 0.906 in.
Product Attributes - Top Ring Thickness: 1.2mm
Product Attributes - Wrist Pin Included: Yes
Product Attributes - Second Ring Material: Cast iron
Product Attributes - Piston Rings Included: Yes
Product Attributes - Second Ring Thickness: 1.5mm
Product Attributes - Piston Head Volume (cc): +27.00cc
Product Attributes - Compression Height (in.): 1.191 in.
Product Attributes - Top Ring Facing Material: Phosphate coated
Product Attributes - Manufacturer's Part Number: K599M995
Product Attributes - Second Ring Facing Material: Phosphate coated
Product Attributes - Wrist Pin Retainers Included: Yes

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisK599M995
SFX Item ID	4063187
Supplier Item Code	4063187
Manufacturer SKU	K599M995
Manufacturer UPC	193564076601
Alternative References	EJ25, -23cc