Product Description
BMW 86.60mm PowerPak Piston Kit - MAHLE Motorsports 930024609
BMW 86.60mm PowerPak Piston Kit - MAHLE Motorsports 930024409
Features:
• Bore: 86.60mm
• Stroke: 89.6mm
• Rod Length: 135.0mm
• Compression Height: 31.0mm
• Pin Diameter: 22mm
• Piston Crown Volume: -5.0cc
• Weight: 324g
• Compression Ratio: 12.5:1
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.