Mahle MS 87.25mm Piston Set BMW S54B 91.0mm Stroke 139mm Rod -9.2cc 12.5CR Set/6

MAHLE Motorsports piston is backed by 90-plus years of racing heritage and technology. From the invention of the first aluminum piston to the most advanced design and machining processes being used today, MAHLE delivers unmatched performance and durability. MAHLE's light-weight, low-drag, design specific forgings are machined with close attention given to ring groove quality, tolerances and consistency. All MAHLE Motorsports pistons are dual or triple coated, adding protection and maintaining consistent performance over the life of the engine. There is no secret why top professional race teams use MAHLE Motorsports pistons.

Product Attributes

• Clip Style: Round Wire
• Clips Included: Yes
• Coatings: Phosphate Plus Grafal Plus Hard Anodized top ring groove
• Crown Vol: -9.2cc
• Package Qty: Sold as a set of 6
• Pin Diameter: 0.827
• Pin Length: 1.969
• Pin Mass: 98g
• Pin Material: Steel
• Pin Style: Floating
• Pins Included: Yes
• Piston Mass: 354g
• Piston Material: Forged, 2618
• Piston Ring Thickness: 1.2mm, 1.2mm, 2.8mm
• Piston Style: Dome, w/ 4 valve reliefs
• Rings Included: Yes