BMW N55/S55 Platinum Series Pistons (Extreme Duty) - Set of 6 by Manley Performance

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. Round wire locks, tool steel wrist pins, and rings are included with every set at no additional charge.

Features

• Bore Size : 84.00mm
• Over Size : STD
• Rod Length : 5.683”
• Stroke : 89.6mm
• Comp Distance : 1.276”
• Dome Volume : -10.5 cc
• Cylinder Head : 37 cc
• Comp Ratio : 10.2
• Piston Type : Dish
• Weight : 357 Grams
• Ring Set : 46840-6
• 9310 alloy .210” wall pin (Extreme Duty Series) included P/N 42551

Benefits

• "Contour forgings" provide the optimum balance between strength and weight with no grain-interrupting internal milling.
• Proprietary multi-step top ring groove machining process assures optimum control of the groove's size, geometry, flatness, and finish.
• All final turning is performed in one fixturing resulting in complete squareness of rings to the cylinder wall.
• Federal Form-Scan gauging validates ideal skirt indexing to pinhole and skirt-to-skirt polarity.
• Value - added features such as a pressure balance groove included in all series.
• Precise pinhole machining results in an exact compression distance as well as precise lock ring groove spacing, size, and concentricity.

Please Note: The image provided is generic and may not be an accurate representation of the product you will receive

Applications

• 2009–2017 F10/F11/F07 535i
• 2010–2013 E90/E91/E92/E93 335i
• 2010–2013 E82/E88 135i
• 2010–2017 F25 X3 xDrive35i
• 2011–2013 E70 X5 xDrive 35i
• 2011–2015 F30/F31 335i
• 2011–2014 E71 X6 xDrive 35i
• 2012–2015 E84 X1 xDrive35i
• 2013–2016 F32/F33/F36 435i
• 2014–2018 F15 X5 xDrive 35i
• 2014–2019 F16 X6 xDrive35i
• 2014–2016 F26 X4 xDrive 35i
• 2011–2018 F06/F12/F13 640i
• 2012–2013 E82/E88 135is
• 2012–2015 F20/F21 M135i
• 2012–2015 F01/F02 740i/Li
• 2013–2016 F22/F23 M235i
• 2015–2016 F20/F21 M135i LCI
• 2019–2021 BMW F87 M2
• 2014–2018 BMW F80 M3
• 2014–2020 BMW F82/F83 M4

What's In The Box?

• 6 - Piston
• 6 - Piston Ring Set
• 6 - Wrist Pin
• 6 - Spiral Lock

Warranty

• Manley products, due to their intended use, are sold without warranty.