Wiseco Pistons K1666 Harley Davidson Evolution Complete Piston Kit - 1340

The Wiseco K1666 is a complete high-performance piston kit designed for Harley-Davidson 1340cc Evolution engines. This kit includes Wiseco's premium forged pistons (part numbers 3507X, 4724, and 4725P1) along with rings, pins, and circlips for a comprehensive rebuild solution.

Key Features:

• Forged from high-silicon, low-expansion aluminum alloy for superior strength and reduced weight
• Advanced metallurgy provides improved heat transfer and extended service life compared to cast pistons
• Diamond-turned finish from CNC computer-controlled turning centers ensures perfect surface finish with zero size variation
• Compatible with all modern cylinder bore compositions including cast iron, chrome, Nikasil, and boron composite
• Precision machined ring grooves and pin bores for optimal seal and reduced friction
• Available in oversizes to extend cylinder life and accommodate resleeved cylinders

Manufactured in Wiseco's state-of-the-art computerized facility, the K1666 kit delivers race-proven performance for both high-performance applications and recreational riders. Each piston undergoes rigorous quality control to meet Wiseco's exacting standards for dimensional accuracy and finish quality.

What's Included: Pistons, rings, wrist pins, and circlips for complete installation.