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Wiseco Acura/Honda B 4V Dome +8.25 Strut 8450Xx Piston Shelf Stock

SKU: WIS6594M845

Pistons

WIS Single Pistons...

Wiseco Acura/Honda B 4V Dome +8.25 Strut 8450Xx Piston Shelf Stock

SKU: WIS6594M845

Pistons

WIS Single Pistons...

A$418.00
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 Acura/Honda B 4V Dome +8.25 Strut 8450Xx Piston Shelf Stock

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 Honda B16A Piston, 84.50 mm Bore, 30.00 mm Compression Height, 0.827 in. Pin Diameter, Sport Compact, Set of 1.

Part Type

Engine Piston

Product Overview

World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated sport compact engines.

Wiseco's Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state-of-the-art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards.

Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine.

Additional Application Notes
• B20B With VTEC Head

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:44:31

Data: v4.2 - Upd: 2026-11-09 07:38:11

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
Bore:84.5mm
Category Hierarchy:Auto>Pistons>Individual Pistons>Sport Compact
Comp Height:30
Comp Ratio:13.0:1
Compression Height:30.00
Description:Pro Tru Pistons; Sport Compact Series; Replacement/Individual Piston; Recommended RingSet: 8450XX; Rings & Pins Included
Dome Volume:8.26
Engine - Web:B Series
Engine Detail:Honda B16A
Engine Type:ICE
Engine:B16A
Gram Weight:279
Industry:Automotive
Make - Web:Honda
Make:Honda
Part Number:wis6594M845
Piston Quantity:1
Product Market:Sport Compact
Product Series:Professional
Product Type:Engine Piston
Rod:137
Stroke:89
Title - Web:Wiseco - Honda, B16A, 84.50 mm Bore, Piston
Title:Wiseco - Honda, B16A, 84.50 mm Bore, Piston
Wrist Pin Outer Diameter:0.827

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Wiseco, WISECO-PRO TRU
StreetFX SKU wis6594M845
SFX Item ID 4064397
Accounting SKU wis-6594M845
Manufacturer SKU 6594M845
Manufacturer UPC 193564089212
Alternative References 6594M845, WIS-6594M845

Piston, Forged, Dome, Acura, Honda, Each

Are people not looking twice at your sport compact? Give them more than a little surprise by installing a set of Wiseco sport compact pistons. These pistons are forged from either 4032 or 2168 aluminum alloy and are precisely CNC-machined to their final configuration. Where appropriate, designs incorporate the strength to deal with nitrous, turbos, or blowers. Chromoly wrist pins and Spirolox retainers are included. Order the size designed for fitment on your vehicle.

Product Attributes
BrandWiseco
Manufacturer's Part Number6594M845
Part TypePistons
Product LineWiseco Sport Compact Pistons
UPC00193564089212
Piston Rings IncludedNo
Bore (in.)3.327 in.
Bore (mm)84.500mm
Engine Stroke TypeStock
Piston StyleDome, with four valve reliefs
Piston MaterialForged aluminum
Compression Height (in.)1.181 in.
Piston Head Volume (cc)-8.25cc
Wrist Pin StylePress-fit or floating
Wrist Pin Retainers IncludedNo
Wrist Pin IncludedYes
Pin Diameter (in.)0.827 in.
Piston Ring Thickness1.00mm x 1.20mm x 2.80mm
File FitNo
GaplessNo
RemanufacturedNo
QuantitySold individually.
Notes13:2-14:2 Comp. Ratio

Manufacturer Attributes
Piston Quantity 1
Compression Height 30.00
Bore Diameter 84.50
Category Hierarchy Auto>Pistons>Individual Pistons>Sport Compact
Industry Automotive
Engine - Web B Series
Engine B16A
Product Type Engine Piston
Make Honda
Make - Web Honda
Engine Type ICE
Product Series Professional
Product Market Sport Compact
Title Wiseco - Honda, B16A, 84.50 mm Bore, Piston
Title - Web Wiseco - Honda, B16A, 84.50 mm Bore, Piston
Engine Detail Honda B16A
Wrist Pin Outer Diameter 0.827
Out of Stock Message Estimated Shipped Date 3-4 Weeks
Manufacturer Designation Piston, Honda, B16A, 84.50 mm Bore, Sport Compact, Set of 1
Product Class Engine Piston
Construction/Type Wiseco Honda B16A Piston, 84.50 mm Bore, 30.00 mm Compression Height, 0.827 in. Pin Diameter, Sport Compact, Set of 1.
Vehicle Designations Honda B16A
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 AC/HON B 4v DOME +8.25 STRUT 8450XX
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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