Wiseco Tracker Piston Kit - 96 TO 107 4.375" Stroke 10.5:1 STD — Harley-Davidson (1955-2026)

Wiseco Tracker piston kit for 96- to 107-cubic-inch V-twin engines with 4.375-inch stroke and 10.5:1 compression ratio. Forged piston crown with force-fed pin oiling and ArmorGlide skirt coating for reliable performance and reduced friction.

Features

• Forged piston crown with generous valve pockets
• Precision fit rings for ultimate sealing
• Force-fed pin oiling for enhanced lubrication
• ArmorGlide skirt coating reduces friction and improves scuff resistance
• Value-packaged kit

Specifications

• Brand: Wiseco
• Manufacturer Part #: K0211PS
• Compression Ratio: 10.5:1
• Stroke: 4.375 in
• Engine Displacement: 96-107 cu in
• Length: 9.5 in
• Width: 4.87 in
• Height: 4 in
• Weight: 2.75 lbs
• Country of Origin: United States of America

Fitment

Fits 96- to 107-cubic-inch V-twin motorcycle engines with 4.375-inch stroke.

Frequently Asked Questions

What compression ratio is this piston kit?

10.5:1 compression ratio, suitable for naturally aspirated V-twin engines.

Are gasket kits included?

No — gasket kits are sold separately. You will need to purchase a gasket kit for your specific engine.

Does this piston have pin oiling?

Yes — force-fed pin oiling is included to enhance lubrication of the piston pin for durability.

What is ArmorGlide coating?

A skirt coating that reduces friction between the piston and cylinder wall, resulting in quieter operation and improved scuff resistance.

Is this piston made in the USA?

Yes — manufactured in the United States of America.