+.040in. Flat Top Pistons with 9.0:1 Compression Ratio. Fits Sportster 1986up with 1200cc Engine & Sportster 1986-1987 with 1100cc Engine.
$325.00 RRP (inc GST)
Features & Benefits:-
* Bore = 3.538in.
* Stroke = 3.812in.
* 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.
* 9.0:1 Compression Ratio with 69cc Head Chamber Volume.
* Follow Ring Eng Gap & Piston to Cylinder Clearances as per the supplied Man ufacturers Instructions.
MFR PART No: KB264.040
ROLLIES PART No: KB264.040