Wiseco V-Twin Piston Kit

Wiseco V-Twin piston kit engineered for high-performance and stock rebuild applications on V-twin motorcycles. Forged from high-silicon, low-expansion aluminum for superior strength, reduced weight, and improved heat transfer compared to OEM pistons.

Features

• Forged high-silicon aluminum construction
• Diamond-turned finish from CNC machining
• Compatible with cast iron, chrome, nikasil, and boron composite cylinder bores
• Wide range of oversize options for cylinder sleeve applications
• Reduced weight and improved durability for long engine life

Specifications

• Brand: Wiseco
• Manufacturer Part #: K1684
• Weight: 6.1 lbs

Fitment

Fits V-twin motorcycles. Consult fitment charts or contact Western Power Sports to verify application for your specific make, model, and year.

Frequently Asked Questions

Will this piston work in my Harley or Indian cylinder?

Yes — Wiseco pistons are compatible with cast iron, chrome, nikasil, and boron composite cylinder bores used in Harley-Davidson and Indian Motorcycle engines.

Can I use an oversize piston in a sleeved cylinder?

Yes. If your cylinder is sleeved with a replacement sleeve, oversize Wiseco pistons are available to fit the new bore diameter.

What makes Wiseco pistons different from OEM?

Wiseco uses forged high-silicon aluminum with a CNC diamond-turned finish for superior strength, lighter weight, and better heat dissipation than many factory pistons.

Do I need new rings and pins with this kit?

Verify the complete kit contents in the product listing. Many Wiseco kits include rings and pins; some are piston-only. Check your order before installation.