40226PS BBS 40226PS

Wiseco Black Edition pistons are designed and built to be the ultimate in piston performance and durability for Harley-Davidson engines. Introducing proprietary, industry first coatings, Black Edition pistons perform as good as they look. Wiseco's ArmorX coating protects critical areas of the piston for miles and miles of riding, while ArmorFit skirt coating helps reduce engine noise and friction. Equip your performance Harley build with the American-made pistons it deserves.

• ArmorFit skirt coating allows forged piston to be installed at tighter clearance, conforming to the cylinder bore through normal operation for ideal performance with less guesswork
• ArmorFit skirt coating allows forged piston to be installed at tighter clearance, conforming to the cylinder bore through normal
• ArmorX coating applied to piston crown, ring grooves, and pin bore through proprietary electrochemical process and materials
• Greatly increased resistance to wear and damage caused by heat and detonation plus resists ring microwelding
• Various compression ratios and bore sizes available off the shelf to fit specific builds
• Ideal for high-performance environments - from natural aspiration to power adders
• Remains durable in high load, high cylinder pressure, high heat environments
• Engineered, forged, and machined in the USA in Mentor, OH
• Kits include ring packs, wrist pins, and circlips
• 4.250 in. Bore, 11
• 1 CR

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