4-1/8" Bore Cylinder

Cylinders - 4.125" - Black

• Cylinders have a stock bolt pattern
• Bored slightly under nominal size and are not honed
• Designed for 124" Hot Set Up Kits used in '99-'17 Twin Cams
• Wrinkle black finish with machined edges
• Made in the U.S.A.
• Requires crankcase machining.