Keith Black Pistons KB264.STD Std Flat Top Pistons w/9.0:1 Compression Ratio for Sportster 86-21 w/1200cc Engine/Sportster 86-87 w/1100cc Engine

Description for Std Flat Top Pistons with 9.0:1 Compression Ratio. Fits Sportster 1986-2021 with 1200cc Engine & Sportster 1986-1987 with 1100cc Engine.

* Bore=3.498in. – Stroke=3.812

* Hypereutectic Alloy is a cast 16% silicon content material

* Perfect for air cooled engines

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

MFR PART No: KB264.STD
EasyR PART No: KB264.STD