Description
Wössner BMW M3 Turbo 86 mm Pistons – Specs
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Engine: BMW S50 / B30 (E36 M3)
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Bore Size: 86.0 mm
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Compression Ratio: 8.5:1 (Turbo kit)
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Stroke: 71.5 mm
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Rod Length: 142.0 mm
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Pin Diameter: 21 mm
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Compression Height: ~31.5 mm
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Material: Forged 4032 alloy
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Included: Pistons, rings, wrist pins, circlips
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Crown / Skirt Design: Turbo-compatible dome with valve pockets
Application
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Vehicle / Engine: BMW E36 M3 3.0L (S50B30) – turbocharged builds
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Use: High-boost performance, forged engine rebuilds, turbo conversion setups
