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‘+.040″ Pistons with 8.5:1 Compression Ratio. Fits Big Twin 1941-1979 with 1200cc Engine.

$451.00

Available!

Part Number: KB263.040 Categories , , Brands:

Available!

Available on backorder

Description

Features & Benefits:-
* Bore = 3.477″
* Stroke = 3.969″
* 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 # 22146-55C
* Replaces OEM # 22146-74A

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

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