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Engines and Components Pistons and Piston Rings

Mahle

438cid 4.310 x 1.320CH 3.750stroke 6.760rod 0.990pin -8.1cc 499g 10.2CR 4032

$94.71 $92.86 Save $1.85

SKU: M002 930274010-1

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INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mahle Motorsport 930274010-1 is a flat top piston designed for Big Block Mopar engines, specifically the B 383 and 400 models. It features a pin length of 64.0mm and a pin diameter of 25.146mm.

This piston utilizes specific ring thicknesses, with the lower compression ring (LCR) and upper compression ring (UCR) both at 1.5mm, while the oil control ring (OCR) is 3.0mm. The LCR is constructed from cast iron, the UCR from ductile iron, and the OCR from chrome-plated stainless steel. The pin mass is 148g.

Fitment

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Specifications

BrandMahle
Part NumberM002 930274010-1

Buy with Confidence

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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