Std Pistons with 10.0:1 Compression Ratio. Fits Big Twin 1999-2006 with 88ci to 98ci Big Bore Twin Cam Engine. - CP Carrillo Pistons Universal * Windshields provide superior optics

* Windshields provide superior optics and Lucite® construction

* 11″ Wide

* Will Not Fit FLHTKL Ultra Limited Low 2015-2016

* Replaceble stainless steel teeth (Cleats)

* Fits XLH883 Sportster Hugger 1988-1991

Std Pistons with 10.0:1 Compression Ratio. Fits Big Twin 1999-2006 with 88ci to 98ci Big Bore Twin Cam Engine. - CP Carrillo Pistons Universal * Windshields provide superior opticsFeatures & 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