Std Pistons with 10.0:1 Compression Ratio. Fits Big Twin 1999-2006 with 88ci to 98ci Big Bore Twin Cam Engine. HD Primary & Transmision Oils 001" wider piston to wall

001" wider piston to wall clearance

30-1105-30

* Filters have a high-quality O-ring for a leak-proof seal

Suggested Additional Purchase:

Std Pistons with 10.0:1 Compression Ratio. Fits Big Twin 1999-2006 with 88ci to 98ci Big Bore Twin Cam Engine. HD Primary & Transmision Oils 001" wider piston to wallFeatures & Benefits: * Bore = 3. 937" * Stroke = 4. 000" * Fully CNC machined * Balanced to + 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed for maximum performance, horsepower and reliability * Complete kit includes two pistons, ring sets, wrist pins and clips Tech Tips: * Suggested additional purchase head gaskets # CG C10083 045 * Follow ring end gap and piston to cylinder clearances as per the supplied