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Engines and Components Pistons and Piston Rings

Mahle

Mahle MS Piston Set BBF 557ci 4.44in Bore 4.5in Stroke 6.7in Rod 0.990 Pin -38cc 9.9 CR Set of 8

$1,017.95 $936.51 Save $81.44

SKU: M002 930245640

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In Stock
Ships by Aug 30
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$100 Minimum Order
Non-Returnable Item
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Overview

The Mahle 930245640 PowerPak Piston and Ring Kit is a premium aftermarket component engineered for Big Block Ford engines. These forged pistons are manufactured from high-strength 4032 aluminum alloy, known for its excellent durability and controlled thermal expansion. The inverted dome/dish design helps achieve specific compression ratios, typically 9.9:1 with a 38cc dish in a 557ci application. The kit includes eight pistons and high-quality rings, providing a comprehensive solution for enhanced performance and reliability in BBF engine builds.
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Part #: 930245640

BIG BLOCK FORD for Std Valve Location CYLINDER HEADS (FoMoCo, Edelbrock, TFS, Blue Thunder, Etc.) 533cid 4.440 x 1.350CH, 4.300stroke,6.800rod,0.990pin,-38cc,527g,9.5CR, 4032.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMahle
Part NumberM002 930245640

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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