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MAHLE 929112109 High-Performance Forged Piston 81.5mm Bore 10.5:1 Compression

Manufacturer

Picture for manufacturer MAHLE

Part Number

929112109
6 reviews
Sale Price

$521.93

2 left at this price

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Usually delivered within 2 days

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Product Details

The MAHLE 929112109 is a precision-engineered forged piston designed for high-performance engine builds. Manufactured from premium 4032 aluminum alloy, this piston delivers exceptional strength, reduced thermal expansion, and superior wear resistance under demanding conditions.

Technical Specifications:

  • Bore Diameter: 81.50mm
  • Compression Height: 30mm
  • Stroke: 87.2mm
  • Connecting Rod Length: 137.9mm
  • Piston Pin Diameter: 21mm
  • Compression Ratio: 10.5:1
  • Dome Volume: 1.0cc
  • Weight: 290 grams
  • Material: 4032 aluminum alloy

MAHLE pistons are renowned for their race-proven designs and meticulous manufacturing tolerances. The 4032 alloy composition provides excellent high-temperature stability and reduced piston-to-wall clearance changes, making this piston ideal for both street performance and racing applications. The 10.5:1 compression ratio offers an optimal balance between power output and pump gas compatibility for modified engines.

Products specifications

Crown Vol

1.0cc

Coatings

Phosphate plus Grafal

Pin Style

Floating

Pins Included

Yes

Piston Mass

290g

Piston Kit Quantity

Sold as a set of 4

Piston Ring Thickness

1.0mm, 1.2mm, 2.8mm

Pin Diameter

21mm

Piston Material

Forged, 4032

Clip Style

Round Wire

Rings Included

Yes

Clips Included

Yes

Piston Style

Dome, With 4 valve reliefs

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Pin Material

Steel

Out of five similar websites, I've chosen yours. It has a clean modern design, brief instructions on what to expect. Delivery estimation with options. I love that. Also, the price is reasonable.

Nice and easy check out. Thank You

Easy to navigate website. Will see overall after part arrives.

no

Very easy. I hope shipping is truly quick as advertised. ** Update. Came very quickly. ***

very good , i will wait for tracking.

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