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Wilwood Caliper-Powerlite 1.38in Pistons .790in/.860in Disc - Black

SKU: WIL120-8729-BK

Brake Calipers

WIL Powerlite Caliper...

Wilwood Caliper-Powerlite 1.38in Pistons .790in/.860in Disc - Black

SKU: WIL120-8729-BK

Brake Calipers

WIL Powerlite Caliper...

A$442.95
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

Wilwood Caliper-Powerlite 1.38in Pistons .790in/.860in Disc - Black


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 12:23:33

Data: v4.2 - Upd: 2026-11-08 18:35:58

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: pistons)

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

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Wilwood, Wilwood Disc Brakes
StreetFX SKU wil120-8729-BK
SFX Item ID 4409530
Accounting SKU wil-120-8729-BK
Manufacturer SKU 120-8729-BK
Manufacturer UPC 889545108118
Alternative References WIL-120-8729-BK

CALIPER,POWERLITE,1.38/1.38,.79/.86

Powerlite 4-piston radial mount calipers combine pure race technology with a new generation of Wilwood performance enhancements. Their sleek profile, superior strength, and durability in higher temperature applications are easily adapted to a wide range of sports, rally, and off-road driving applications. The strength of the Powerlites is a combination of process and design. The process of stress-flow forging re-aligns the metal's grain structure within the contour of the caliper body. This eliminates the stresses and interruptions to the internal grain structure that occur when machining a straight block billet. Their FEA-generated radial transition design eliminates steps and shoulders in the area between the piston housing body and the caliper bridges. Incorporating a radius in this critical area substantially increases resistance to deflection and caliper separation under load. Structural deflection and volume displacement tests have proven the efficiency of this innovative design. Without even considering the overall greater strength and reliability of the billet forging, the reduction in overall deflection and fluid volume displacement translate into increased clamping efficiency with less pedal travel. The bottom line is a firm pedal with outstanding stopping power.

Product Attributes
BrandWilwood Disc Brakes
Manufacturer's Part Number120-8729-BK
Part TypeBrake Calipers
Product LineWilwood Powerlite Calipers
UPC889545108118
Caliper SeriesPowerlite
Caliper Piston QuantityFour
Piston Diameter (in.)1.380
Rotor Thickness (in.)0.860 in.
Caliper MaterialAluminum
Caliper ColorBlack
Caliper LogoWilwood
Parking Brake ProvisionNo
Fittings IncludedNo
Fitting Attachment 1Female NPT
Thread Size1/8 in. NPT
Brake Pads IncludedNo
Brackets IncludedNo
RemanufacturedNo
QuantitySold individually.

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