5155-1675 BLACK EDITION PISTON KIT 121″ CU. FOR 17-20 M-EIGHT CVO

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Feature ArmorX™ piston coating for superior protection in extreme conditions and reduced wear
ArmorFit™ skirt coating auto-adjusts to the cylinder wall so there’s no need to measure clearance; provides smooth, quiet, trouble-free operation
Dome design for improved flame travel to maximize air/ fuel burn efficiency
High compression (11:1) for added power
Superfinish piston pin reduces friction and improves scuff resistance
Enhanced pin oiling for improved lubrication and reduced friction
Augmented ring land details improve ring seal and function
Dedicated rings for precise fit, improved compression and oil control
Fit OEM and Screamin’ Eagle cylinder heads
Kit includes two pistons, rings, piston pins and circlips
Made in the U.S.A

BORE SIZE
4,125″

DISPLACEMENT
121″

UNITS
Kit

PRODUCT NAME
Piston Kit

PISTON MATERIAL
ArmorX™

PISTON HEAD SHAPE
Domed

SKIRT COATING
ArmorFit™

BORE OVERSIZE – IMPERIAL
+0.188″

BORE – OVERSIZE
+0,188″