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Engines and Components› Pistons and Piston Rings

Supertech

Forged Piston Set, 77.50mm Bore, 9.5:1 Compression

$971.20 $746.99 Save $224.21

SKU: P4-MIN56-77.5-CR9.5

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In Stock
Ships by Jul 29
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30 Days Return
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Description

The Supertech Piston Set is a high-performance, forged piston kit for 2007-2013 Mini Cooper models. These 77.50mm bore, 9.5:1 compression ratio pistons are crafted from high-silicone 4032 alloy to provide low thermal expansion, improved wear resistance, and high thermal conductivity.

Fitment

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Specifications

BrandSupertech
Part NumberP4-MIN56-77.5-CR9.5
CategoryEngines and Components

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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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