Sale

Engines and Components Pistons and Piston Rings

Mahle

Mahle MS Piston Set BBC 503ci 4.28in Bore 4.375in Stroke 6.385in Rod .990 Pin 18cc 10.4 CR Set of 8

$1,046.20 $962.50 Save $83.70

SKU: M002 929907280

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

Mahle forged pistons, designed as a drop-in assembly for Chevy Big Block engines. Includes performance piston ring set, anti-friction skirt coating, forced pin oiler, and CNC precision-machined pin bores. Forged from 4032 or 2618 aluminum alloys. Includes .990" High-Quality Steel Wrist Pin, performance 1.5, 1.5, 3.0mm file-fit performance ring set, and Race Proven Round Wire Locks. Oil rail supports included.
Show original supplier description

Part #: 929907280

BIG BLOCK CHEVY DOME 504cid 4.280 x 1.228RCH, 4.375stroke,6.385rod,0.990pin,18.0cc,520g,10.4CR, 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

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMahle
Part NumberM002 929907280

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy