KEITH BLACK PISTONS Std Flat Top Pistons with 9.3:1 Compression Ratio. Fits Twin Cam 1999-2006 with Big Bore 88ci to 95ci Conversion.

Description

Features & Benefits:-

* Bore = 3.875in.

* Stroke = 4.000in.

* Hypereutectic Alloy is a cast 16% silicon content material.

* Perfect for air cooled engines.

* Low thermal expansion rate = tighter piston-to-cylinder clearance

* Complete kit includes: two pistons, rings, wrist pins and clips.

Tech Tips:-

* 9.3:1 Compression Ratio with 85cc Head Chamber Volume.

* Follow Ring End Gap & Piston to Cylinder Clearances as per the supplied Manuf