Exterior Components› Body Panels and Components

United Engine & Machine Co

SNGL HYP/CTD PISTON 1.9L GM

$89.72

SKU: U00B S1901HC.75MM

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Silv-O-Lite S1901HC.75MM is a hypereutectic piston designed for specific Saturn L4 engines. It features an 82.75mm bore and a dish-style piston head with no valve reliefs. The piston material is hypereutectic aluminum, known for its strength and resistance to scuffing and seizure.

This piston has a compression height of 1.165 inches and a piston head volume of +5.50cc. It includes a press-fit or floating wrist pin style and comes with wrist pin retainers. The ring groove dimensions are 1.50mm x 1.50mm x 3.00mm. The piston is sold individually and features a coated skirt.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B S1901HC.75MM

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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