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Wiseco BMW 2.5L M50B25 11:1 CR - SINGLE Piston

SKU: WIS6664M845AP

Pistons

WIS Single Pistons...

Wiseco BMW 2.5L M50B25 11:1 CR - SINGLE Piston

SKU: WIS6664M845AP

Pistons

WIS Single Pistons...

A$478.41
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Wiseco BMW 2.5L M50B25 11:1 CR - SINGLE Piston

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.

Additional Information

Wiseco BMW M50B25 Piston, 84.50 mm Bore, 38.20 mm Compression Height, 0.866 in. Pin Diameter, European, Set of 1.

Part Type

Engine Piston

Product Overview

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.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:42:33

Data: v4.2 - Upd: 2026-11-09 07:37:50

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

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

(keyword: piston)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Bore Diameter:84.50
Category Hierarchy:Auto>Pistons>Individual Pistons>European
Compression Height:38.20
Description:Wiseco BMW 2.5L M50B25 11:1 CR - SINGLE Piston
Engine - Web:M50
Engine Detail:BMW M50B25 2.5L
Engine Type:ICE
Engine:M50B25 2.5L
Forging Type:Strutted
Industry:Automotive
Make - Web:BMW
Make:BMW
Oil Ring Thickness:2.8
Part Number:wis6664M845AP
Piston Material:2618
Piston Quantity:1
Piston Volume:-1.50
Product Market:European
Product Series:Professional
Product Type:Engine Piston
Ring Set Included:Yes
Second Compression Ring Thickness:1.2
Skirt Coating:Yes
Title - Web:Professional BMW M50B25 Piston - 84.50 mm Bore - 38.20 mm CH, -1.50 CC
Title:Wiseco - BMW, M50B25, 84.50 mm Bore, Piston
Top Compression Ring Thickness:1.0
Wrist Pin Included:Yes
Wrist Pin Material:5115
Wrist Pin Outer Diameter:0.866
Wrist Pin Style:Floating

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Wiseco, WISECO-PRO TRU
StreetFX SKU wis6664M845AP
SFX Item ID 4061923
Accounting SKU wis-6664M845AP
Manufacturer SKU 6664M845AP
Manufacturer UPC 193564175090
Alternative References 6664M845AP, WIS-6664M845AP

Engine Piston, Engine Piston, BMW 2.5L M50B25 11:1CR

Product Attributes
BrandWiseco
Manufacturer's Part Number6664M845AP
Part TypePistons
UPC00193564175090

Manufacturer Attributes
Piston Volume -1.50
Piston Quantity 1
Piston Material 2618
Compression Height 38.20
Bore Diameter 84.50
Category Hierarchy Auto>Pistons>Individual Pistons>European
Industry Automotive
Make BMW
Make - Web BMW
Product Type Engine Piston
Product Market European
Engine Type ICE
Engine - Web M50
Engine M50B25 2.5L
Product Series Professional
Title - Web Professional BMW M50B25 Piston - 84.50 mm Bore - 38.20 mm CH, -1.50 CC
Forging Type Strutted
Title Wiseco - BMW, M50B25, 84.50 mm Bore, Piston
Skirt Coating Yes
Engine Detail BMW M50B25 2.5L
Oil Ring Thickness 2.8
Ring Set Included Yes
Second Compression Ring Thickness 1.2
Top Compression Ring Thickness 1.0
Wrist Pin Included Yes
Wrist Pin Material 5115
Wrist Pin Outer Diameter 0.866
Wrist Pin Style Floating
Out of Stock Message Estimated Shipped Date 3-4 Weeks
Manufacturer Designation Piston, BMW, M50B25, 84.50 mm Bore, European, Set of 1
Product Class Engine Piston
Construction/Type Wiseco BMW M50B25 Piston, 84.50 mm Bore, 38.20 mm Compression Height, 0.866 in. Pin Diameter, European, Set of 1.
Vehicle Designations BMW M50B25 2.5L 24V
Product Outline <ul><li>Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength</li><li>ArmorGlide? Skirt Coating: seizure resistant, friction reduction, and quieter operation</li><li>Fully machined crown features</li><li>Precision ring grooves, anti-detonation groove, and additional ring seal improving features</li><li>Forced pin oiling</li><li>Designed and built to withstand heavy to severe duty performance applications</li></ul>
Vehicle Brief BMW 2.5L M50B25 11:1CR
Market 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.

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