N55 S55 Forged Piston Compatible For BMW N55B30 Moly Coated Full Phosphate Coated One Set(84.5 without coating)

6 pcs Forged Pistons with pins and rings Compatible For BMW N55B30Contains:Piston x 6piecesPiston pin x 6 piecesPin lock x 12 picesPiston ring x 6 cylindersPiston Material:4032 alloy, more silicon contained compare to 2618 alloy, lower noise, higher tensile strength, lower thermal expansion coefficient.High precision, 0.001 mm tolerance for pin hole, 0.005 mm tolerance for diameter, clearance between cylinder to skirt is 0.04-0.06 mm.Features:1, Completely Phosphate Coated, increase Oil Adhesion for better lubrication.2, Moly Coated on skirts, for reducing the friction of Piston Skirt with Cylinder Wall.3, Oil Holes in Pin hole, for better lubrication of Piston Pins and significantly extend lifetime at super high temperature and rpm4, Lighter design, with our new designed QX-beam Conrods, the total weight of Piston and Conrod will be around 250g lighter for each cylinder, imagine what kind of response and rpm you can get.Rings Made in TaiwanFITMENT:SpecificationsPart Number:HQ-Compatible For BMW-031Make:Compatible For BMWEngine(s):N55Model(s):Compatible For BMW 1 Series 2010-2013(E82/E88) 135iCompatible For BMW 1 Series 2012-2015(F20/F21) M135iCompatible For BMW 2 Series 2013-2016(F22/F23) M235iCompatible For BMW 2 Series 2016-2018(F87) M2Compatible For BMW 2 Series 2020-2022(F87) M2 CS, M2 CompetitionCompatible For BMW 3 Series 2014-2018(F80) M3, M3 CSCompatible For BMW 3 Series 2010 -2013 (E90/E91/E92/E93) 335iCompatible For BMW 3 Series 2011-2015(F30/F31) 335iCompatible For BMW 4 Series 2013-2016(F32/F33/F36) 435iCompatible For BMW 4 Series 2014-2020(F82/F83) M4, M4 CS, M4 GTSYear(s):2010-2020Piston Material:4032 AlloyRod Material:4340 AlloyBore Size:84mm/84.5mmCompression Ratio:10.2:1Compression Height:32.5mmPin Size:22mmOverall Height:51mmRing Size:1.0+1.2+2.0mmRod Length:144.35mmGram Weight:284gThank you for your purchase! We're glad you chose our products. Have a nice day!Thank you for choosing our auto parts. All items are rigorously inspected to ensure quality. Wish you a safe and smooth journey!

• Made of high-strength aluminum alloy, it is suitable for regular engine operation.
• The ring groove structure is stable, facilitating the correct installation and positioning of the piston rings.
• The lightweight structural design reduces the reciprocating load of the engine.
• The high-temperature resistant material formula can adapt to the normal working temperature range of the engine.
• N55 S55 Forged Piston Compatible For BMW N55B30 Moly Coated Full Phosphate Coated One Set