Wiseco Black Edition Piston Kit - TC 103 CID 9.6:1 — Harley-Davidson Road King, Electra Glide Ultra Classic, Softail Heritage Classic (1999-2017)

Wiseco Black Edition piston kit for Twin Cam 103 CID engines with 9.6:1 compression ratio. Features Armor X and ArmorGlide coatings for reduced wear and friction, designed to work with OEM and Screamin' Eagle cylinder heads.

Features

• Premium compression ring for ultimate ring seal
• Napier second ring with taper face and underhook for improved oil control
• 3mm oil ring design with higher tension for enhanced oil control
• Armor X piston coating reduces wear
• ArmorGlide skirt coating for reduced friction and quieter operation
• Compatible with OEM and Screamin' Eagle heads

Specifications

• Brand: Wiseco
• Manufacturer Part #: K2790
• Engine: Twin Cam 103 CID
• Compression Ratio: 9.6:1
• Length: 9 in
• Width: 4 in
• Height: 4 in
• Weight: 2.4 lbs

Fitment

Fits V-twin motorcycles with Twin Cam 103 CID engines at 9.6:1 compression.

Frequently Asked Questions

Will these pistons work with my stock Harley cylinder head?

Yes — Wiseco designed this kit to work with OEM Harley-Davidson and Screamin' Eagle heads.

What compression ratio do these pistons deliver?

9.6:1 compression ratio — check your engine specs and desired performance level before ordering.

Do I need new rings or gaskets when I install them?

Plan to replace all rings, gaskets, and seals during piston installation for the best seal and longevity.

What does Armor X coating do?

Armor X reduces piston wear and extends engine life. ArmorGlide skirt coating lowers friction for quieter, smoother operation.