+.020in. Dome Top Pistons with 8.3:1 Compression Ratio. Fits Big Twin 1978-1984 with 1340cc Shovel Engine.
$352.00 RRP (inc GST)
Features & Benefits:-
* Bore = 3.518in.
* Stroke = 4.250in.
* 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.
* Replaces OEM # 21992-80
* 8.3:1 Compression Ratio with 117cc Head Chamber Volume.
* Follow Ring Eng Gap & Piston to Cylinder C learances as per the supplied Manufacturers Instructions.
MFR PART No: KB297.020
ROLLIES PART No: KB297.020