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Engines and Components› Pistons and Piston Rings

Mahle

Mahle MS Piston Set GM LS 403ci 4.005in Bore 4in Stroke 6.125in Rod .927 Pin -28cc 9.0 CR Set of 8

$983.01 $904.37 Save $78.64

SKU: M002 930225505

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 930225505

403cid 4.005 x 1.110RCH, 4.000stroke,6.125rod,0.927pin,-25cc,402g,9.4CR, 2618

MIA's Description

Mahle Motorsport PowerPak pistons are forged from 2618 low expansion aluminum alloy. Features include anti-friction skirt coating, forced pin oiling, and CNC precision machined pin bores. The set includes 8 pistons, performance piston rings (1.0mm, 1.0mm, 2.0mm thickness), and race-proven round wire locks. Pistons are dish style with 2 valve reliefs.

Fitment

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Specifications

BrandMahle
Part NumberM002 930225505

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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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