Mahle

Mahle Motorsport Big Block Pontiac 455 Stroker Flat Top Pistons 4.155 in. 488ci

SKU: mhl930275155 UPC: 930275155
In stock
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Call: (503) 662-9752 | Email Us: info@dfispdx.com

$831.15

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This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

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Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

A forged flat top piston set from Mahle Motorsport for the Big Block Pontiac 455 stroker, sized at 4.155 in.. Crown volume is -6.4cc, which works out to 12.5:1 with a 72cc chamber.

Key Features

  • 4032 forged aluminum construction
  • Bore: 4.155 in. | Stroke: 4.500 in. | Rod: 6.800 in
  • Compression height: 1.160 in
  • Pin diameter: 0.990 in
  • Crown volume: -6.4cc
  • Compression ratio: 12.5:1 with a 72cc chamber, 11.5:1 with a 80cc chamber, 11.1:1 with a 84cc chamber
  • 1.0, 1.0, 2.0mm file fit ring set included
  • Listed weight: 506 grams each
  • Top ring distance (fireland) 0.236 in.; will not work in 400 blocks with reliefs
  • Sold as a set of 8 pistons

Fitment

  • Big Block Pontiac 455 stroker
  • 4.155 in. bore

Product Details

  • Manufacturer Part Number: 930275155
  • Brand: Mahle Motorsport
  • Application: Big Block Pontiac 455 stroker
  • Bore: 4.155 in
  • Stroke: 4.500 in
  • Rod length: 6.800 in
  • Compression height: 1.160 in
  • Pin diameter: 0.990 in
  • Crown volume: -6.4cc
  • Compression ratio: 12.5:1 (72cc chamber), 11.5:1 (80cc chamber), 11.1:1 (84cc chamber)
  • Alloy: 4032
  • Weight: 506 grams
  • Quantity: Set of 8

Shipping Height: 6.0

Shipping Length: 13.0

Shipping Width: 11.0

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