Seller notes

Fits 2011 Cobra CX65 Big Bore Kit All pistons are heat treated with a T 5 hardening and tempering cycle Coated with a high tech Molybdenum Disulphite coating for faster break in time and increased piston life Made of gravity cast aluminum alloy with 18% silicone content Forged from 2618 aluminum for superior strength and durability Improves power and torque across the entire RPM range Increases engine's displacement, torque, and peak horsepower Forged replica pistons are OE replacements All ring...

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