Wiseco KE114M85 BMW Professional Series Forged Piston Set Bore - M50B25 85mm 11.0 1

The Wiseco KE114M85 is a Professional Series forged piston set engineered for the BMW M50B25 2.5L 24-valve inline-6 engine.

Key Specifications:

• Bore: 85.00 mm (3.346 in.)
• Compression Ratio: 11.0:1
• Compression Height: 38.20 mm (1.504 in.)
• Stroke: 75 mm (2.953 in.)
• Rod Length: 135 mm (5.315 in.)
• Pin Diameter: 22 mm (0.866 in.) — Replacement Pin: S655
• Piston Crown: -1.5cc Dish
• Piston Weight: 344g per piston
• Recommended Ring Set: 8500XX

Professional Series Features:

• Forged and machined in the USA from 2618 aluminum alloy for maximum tensile strength and thermal stability
• ArmorGlide® skirt coating reduces friction, resists seizure, and enables quieter operation
• Dedicated forgings produced in-house ensure an optimized strength-to-weight ratio specific to this engine application
• Specially designed valve pockets and complex crown geometry engineered for the M50B25's 24-valve DOHC head
• Steel nitride/Napier-profile ring package provides excellent cylinder seal and long service life
• Optimized skirt profiles for improved stability and reduced piston rock

Wiseco's Professional Series represents a no-compromise approach to forged piston design, delivering custom-level performance features in a ready-to-run piston kit. The KE114M85 is an ideal solution for M50B25 engine builds targeting naturally aspirated high-compression performance or forced-induction applications requiring a robust forged foundation.