WSM Piston Kit - Yamaha - Standard 50-530PK Mini Factory 4.1 Slip-On Muffler Clean design with maximum airflow

Clean design with maximum airflow

2016-2017 Harley-Davidson Fat Boy S FLSTFBS - - 2016-2017 Harley-Davidson Softail Slim S FLSS - - 2012-2017 Harley-Davidson Softail Slim FLS - - 2008-2011 Harley-Davidson Softail Cross Bones FLSTSB - - 2005-2017 Harley-Davidson Softail Deluxe EFI FLSTNI - - 2005-2006 Harley-Davidson Softail Deluxe FLSTN - -

Exhaust Description:

Covers front and rear tires completely

Compatible with Corsair-X helmets

WSM Piston Kit - Yamaha - Standard 50-530PK Mini Factory 4.1 Slip-On Muffler Clean design with maximum airflowQuality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves