


CP Piston & Ring Set for Mitsubishi 4B11 Evo X - Bore (86.5mm) - Size (+0.5mm) - Compression Ratio (
Marsoni
M251S
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Friday, May 29
CP Piston & Ring Set for Mitsubishi 4B11 Evo X - Bore (86.5mm) - Size (+0.5mm) - Compression Ratio (SKU: SC7221 4 CP Piston & Ring Set Mitsubishi 4B11 Evo X 2008 2015 Bore 86. 5mm +0. 5mm CR 9. 2: 1 This CP forged piston and ring set upgrades Mitsubishi 4B11 engines in 2008 2015 Lancer Evolution X models. Bore size of 86. 5mm (+0. 5mm oversize) supports larger displacement for more power while maintaining durability under boost. Includes matched rings for quick break in and long term sealing in street or track use. Key Features Forged 2618 Alloy:
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★★★★★ 1
Tiny!
These studs are about a quarter as large as my other studs! They are way too small and will come right out if your piercing hole is larger than a pin-prick size! Not a good product at all!!
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Reviewed in the United States on October 25, 2022
★★★★★ 2
Loose Backing
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Reviewed in the United States on February 20, 2026
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Reviewed in the United States on March 1, 2025
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Reviewed in the United States on June 7, 2024
★★★★★ 4
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Reviewed in the United States on July 18, 2025