Description

BMW 82mm PowerPak Piston Kit – MAHLE Motorsports 197883929

MAHLE Motorsport’s new B58 pistons are designed to be upgraded replacements of the factory pistons. Utilizing the benefits of 2618 alloy, these pistons are lighter than the factory pistons, and were designed to 10.5:1 compression (11:1 factory) for engine builders who are looking to add boost for +1000hp.

Features:

• Bore: 82mm
• Stroke: 94.6mm
• Rod Length: 148.2mm
• Compression Height: 33.27mm
• Pin Diameter: 22mm
• Piston Crown Volume: -4.0cc
• Weight: 319g
• Compression Ratio: 10.5:1

MAHLE Motorsport is the Piston Technology Leader, in particular when it comes to understanding the unique needs of the BMW community. The newest piston in the lineup features MAHLE’s 2618 alloy, chosen for it’s high temperature strength characteristics. The pistons are dual coated with phosphate and MAHLE’s Grafal® skirt coating for greatly reduced drag and wear. For maximum durability, the top ring grooves are hard anodized to protect against micro-welding.