Wiseco HarleyDavidson Softail Night Train EFI FXSTBI 2007-2009 Tracker Series Piston 3.875"

Features:

• Forged piston crown with generous valve pockets for big valves and cams
• Precision-fit rings selected for each application for ultimate sealing
• Force-fed pin oiling provides enhanced lubrication of the piston pin
• Pressure seal groove reduces ring lifting and power loss
• ArmorGlide® skirt coating reduces friction, providing quieter operation and improving scuff resistance
• Valued-packaged with two pistons, rings, piston pins and circlips
• Made in the U.S.A

Specifications:

• Product Name: Piston Kit
• Skirt Coating: ArmorGlide®
• Bore Size: 3.875"
• Bore - Oversize: Standard
• Bore Oversize: Standard
• Displacement: 1691 cc
• Stroke Length: 4-3/8"
• Compression Ratio: 10.5:1
• Piston Head Shape: Domed
• Units: Kit
• Riding Style: Street

Fitment: