Mahle Motorsport Big Block Oldsmobile 455 Stroker Dish Piston Set 4.185 in. Bore

SKU: mhl930274585 UPC: 930274585
In stock
Backordered From Supplier – Call for Availability

⚠ Call for Availability

This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.

Call: (503) 662-9752 | Email Us: info@dfispdx.com

Regular price $895.63

Have a question about this part? We'll answer it.

Verified Fitment & Application Support

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.

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 dish piston set from Mahle Motorsport for the Big Block Oldsmobile 455 stroker, sized at 4.185 in.. Crown volume is -22.0cc, which works out to 10.8:1 with a 72cc chamber.

Key Features

  • 4032 forged aluminum construction
  • Bore: 4.185 in. | Stroke: 4.500 in. | Rod: 7.100 in
  • Compression height: 1.260 in
  • Pin diameter: 0.990 in
  • Crown volume: -22.0cc
  • Compression ratio: 10.8:1 with a 72cc chamber, 10.1:1 with a 80cc chamber, 9.8:1 with a 84cc chamber
  • 1.0, 1.0, 2.0mm file fit ring set included
  • Listed weight: 503 grams each
  • Sold as a set of 8 pistons

Fitment

  • Big Block Oldsmobile 455 stroker
  • 4.185 in. bore

Product Details

  • Manufacturer Part Number: 930274585
  • Brand: Mahle Motorsport
  • Application: Big Block Oldsmobile 455 stroker
  • Bore: 4.185 in
  • Stroke: 4.500 in
  • Rod length: 7.100 in
  • Compression height: 1.260 in
  • Pin diameter: 0.990 in
  • Crown volume: -22.0cc
  • Compression ratio: 10.8:1 (72cc chamber), 10.1:1 (80cc chamber), 9.8:1 (84cc chamber)
  • Alloy: 4032
  • Weight: 503 grams
  • Quantity: Set of 8

Shipping Height: 6.0

Shipping Length: 13.0

Shipping Width: 11.0

Rebuilt by Techs Who Only Do Diesel

Injectors, pumps, and turbos, serviced by people who've been doing this for decades — not a parts counter with a catalog.

Get A Quote