Wiseco KE317M845AP Forged Piston Kit Bore CR BMW - 84.5mm 8.8 1 M20B25

The Wiseco KE317M845AP is a complete forged piston kit designed for high-performance BMW M20B25 2.5L 12-valve engines found in E30 and E34 chassis vehicles. This professional-grade 6-piston kit delivers exceptional strength and durability for street, turbo, and nitrous applications.

Key Specifications:

• Bore Size: 84.50mm
• Compression Ratio: 8.8:1
• Compression Height: 34.70mm
• Pin Diameter: 22mm
• Dome Volume: -6.8cc (dished)
• Piston Weight: 379 grams each
• Stroke: 75.00mm

Advanced Features:

• Wiseco Armor Plating technology with bronze-colored tint on piston crown and wrist pin bore
• Abrasion-resistant plating increases aluminum hardness and ring groove durability
• Prevents micro-welding of piston rings and reduces carbon buildup
• Combats corrosion caused by detonation
• Round piston skirt design for improved stability
• Accepts turbocharger and nitrous oxide systems

Complete Kit Includes:

• Six forged pistons
• Piston ring sets for all cylinders
• Heavy-duty wrist pins

Wiseco's forged pistons are manufactured from premium 2618 aluminum alloy for superior strength-to-weight ratio, making them ideal for high-performance and racing applications where reliability is critical.