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Wiseco BMW N54B30 85.00mm Bore 1.244 Compression Height Piston Kit

SKU: WISK742M85

Pistons

WIS Piston Sets - 6 Cyl...

Wiseco BMW N54B30 85.00mm Bore 1.244 Compression Height Piston Kit

SKU: WISK742M85

Pistons

WIS Piston Sets - 6 Cyl...

A$2,216.30
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 N54B30 85.00mm Bore 1.244 Compression Height Piston Kit

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 N54B30 Piston Set , 85.00 mm Bore, 1.244 in. Compression Height, 22.00 mm Pin Diameter, European, Set of 6.

Part Type

Engine Piston Set

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 09:44:20

Data: v4.2 - Upd: 2026-11-09 07:12:57

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:85.00
Category Hierarchy:Auto>Pistons>Piston Kits>European
Compression Height:1.244
Description:Wiseco BMW N54B30 85.00mm Bore 1.244 Compression Height Piston Kit
Engine - Web:N54
Engine Detail:BMW N54B30
Engine Type:ICE
Engine:N54B30
Forging Type:Dish
Industry:Automotive
Make - Web:BMW
Make:BMW
Oil Ring Thickness:2.800
Part Number:wisK742M85
Piston Material:2618
Piston Quantity:6
Piston Volume:-21.10
Product Market:European
Product Series:Professional
Product Type:Engine Piston Set
Ring Set Included:Yes
Ring Set Part Number:8500XX
Second Compression Ring Thickness:1.200
Skirt Coating:Yes
Title - Web:Professional BMW N54B30 Piston Set - 85.00 mm Bore - 1.244 .in CH, -21.10 CC
Title:Wiseco - BMW, N54B30, 85.00 mm Bore, Piston Set
Top Compression Ring Thickness:1.000
Wrist Pin Included:Yes
Wrist Pin Material:5115
Wrist Pin Outer Diameter:22.00
Wrist Pin Part Number:S747
Wrist Pin Style:Floating

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Wiseco, WISECO-PRO TRU
StreetFX SKU wisK742M85
SFX Item ID 4064149
Accounting SKU wis-K742M85
Manufacturer SKU K742M85
Manufacturer UPC 193564512376
Alternative References K742M85, WIS-K742M85

Piston Set, Rings, BMW, N54B30, 85mm, 10.2:1 CR, 1.2440 Compression Height, Set of 6

From Alfa Romeo and BMW to Volkswagen and Volvo, Wiseco offers European piston and ring kits to cover them all. With vast experience engineering and manufacturing all types of pistons, Wiseco's high performance forged pistons provide the benefits of high-strength alloy construction, fully machined crowns, and precision ring grooves, plus their ArmorGlide permanent skirt coating that helps reduce friction, improves performance, and helps to quiet the piston in the cylinder bore. Choose the set designed for your vehicle.

Product Attributes
BrandWiseco
Manufacturer's Part NumberK742M85
Part TypePistons
Product LineWiseco European Piston and Ring Kits
UPC193564512376
Piston Rings IncludedYes
Bore (in.)3.350 in.
Bore (mm)85.000mm
Stroke89.60mm
Engine Stroke TypeStock
Piston StyleDish, with four valve reliefs
Piston MaterialForged aluminum
Compression Height (in.)1.244 in.
Piston Head Volume (cc)+21.10cc
Wrist Pin StyleFloating
Wrist Pin Retainers IncludedYes
Wrist Pin IncludedYes
Piston Ring Thickness1.00mm x 1.20mm x 2.80mm
File FitNo
GaplessNo
Top Ring Thickness1.0mm
Top Ring MaterialSteel
Top Ring Facing MaterialGas nitrided
Second Ring Thickness1.2mm
Second Ring MaterialCast iron
Second Ring Facing MaterialPhosphate coated
Oil Ring Thickness2.8mm
Oil Ring MaterialStainless steel
RemanufacturedNo
QuantitySold as a set of 6.

Manufacturer Attributes
Piston Volume -21.10
Compression Height 1.244
Piston Material 2618
Piston Quantity 6
Bore Diameter 85.00
Category Hierarchy Auto>Pistons>Piston Kits>European
Industry Automotive
Make BMW
Make - Web BMW
Forging Type Dish
Product Type Engine Piston Set
Product Market European
Engine Type ICE
Engine - Web N54
Engine N54B30
Product Series Professional
Title - Web Professional BMW N54B30 Piston Set - 85.00 mm Bore - 1.244 .in CH, -21.10 CC
Title Wiseco - BMW, N54B30, 85.00 mm Bore, Piston Set
Skirt Coating Yes
Ring Set Included Yes
Ring Set Part Number 8500XX
Second Compression Ring Thickness 1.200
Top Compression Ring Thickness 1.000
Wrist Pin Included Yes
Wrist Pin Material 5115
Wrist Pin Outer Diameter 22.00
Wrist Pin Part Number S747
Wrist Pin Style Floating
Engine Detail BMW N54B30
Oil Ring Thickness 2.800
Out of Stock Message Estimated Shipped Date 3-4 Weeks
Manufacturer Designation Piston Set , BMW, N54B30, 85.00 mm Bore, European, Set of 6
Product Class Engine Piston Set
Construction/Type Wiseco BMW N54B30 Piston Set , 85.00 mm Bore, 1.244 in. Compression Height, 22.00 mm Pin Diameter, European, Set of 6.
Vehicle Designations BMW N54B30
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 Wiseco, Piston Set
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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