S&S Cycle SS910-0691 1250cc Big Bore Kit Black for Sportster 86-21 FXSBSE Breakout CVO MY13-14

FXSBSE Breakout CVO MY13-14

Forty-Eight 10-15/Nightster 07-12/883 Iron 09-15/883 Low 07-10 need Part # PS-31-2515

They need both motocross and enduro sizes based on their choice of machine and their eventual need for different-sized rims

Combining both a stainless steel perforated core baffle with RaceTEX cartridge packing

S&S Cycle SS910-0691 1250cc Big Bore Kit Black for Sportster 86-21 FXSBSE Breakout CVO MY13-14This kit converts 1986 '21 883cc and 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Kit contains forged flat topped 3 9 16" bore pistons with coated piston skirts, S&S 3 9 16" bore cylinders, MLS head gaskets, base gaskets, exhaust gaskets, assembly lube, and instructions. 883 cylinder heads may not be used with this kit. For the best performance CNC head porting, performance cams, exhaust and intake