KEITH BLACK PISTONS +.020in. Dome Top Pistons with 10.5:1 Compression Ratio. Fits Big Twin 1984-1999 with Evo Engine.

$427.00

Out of stock

Description

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.

Tech Tips:-

* 10.5:1 Compression Ratio with 80cc Head Chamber Volume.

* Follow Ring Eng Gap & Piston to Cylinder Clearances as per the supplied Manufacturers Instructions.

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