Wiseco Pistons 4117M09000 Forged Piston Kit for Honda XR/XL500 1979-1982

The Wiseco 4117M09000 is a high-performance forged piston kit designed specifically for Honda XR500 and XL500 motorcycles from 1979-1982. Engineered for superior durability and performance, this piston is manufactured from high-silicon, low-expansion aluminum alloy that delivers exceptional strength while reducing overall weight for improved engine response.

Key Features:

• Forged from high-silicon, low-expansion aluminum for superior strength and reduced weight
• Diamond-turned finish from CNC computer-controlled machining ensures perfect dimensions with zero size variation
• Compatible with all modern cylinder bore compositions including cast iron, chrome, Nikasil, and boron composite
• Improved heat transfer properties for better thermal management and longer service life
• Precision-engineered to OEM specifications for direct replacement fitment
• Complete kit includes piston, rings, circlips, and wrist pin

Wiseco pistons are manufactured in a state-of-the-art computerized facility using advanced CNC turning centers, guaranteeing consistent quality and precise tolerances. Whether you're rebuilding a vintage Honda dual-sport bike or maintaining a classic XR/XL500, this piston kit provides the reliability and performance you need. Available in various oversizes to accommodate cylinder boring and re-sleeving applications.