S&S CYCLE

Stock replacement cylinders, 3.5" bore with cast-iron linerFor 80" or 89" enginesMade in the U.S.A.

Made in the U.S.A. Harley-Davidson -- Blackline FXS -- (2011, 2012, 2013); Harley-Davidson -- CVO Softail Convertible FLSTSE3 -- (2012); Harley-Davidson -- CVO Softail Deluxe FLSTNSE -- (2015, 2014);...

S&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)Intake manifold, pistons and...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepersComplete kits also include rocker cover gaskets, head gaskets and...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepersComplete kits also include rocker cover gaskets, head gaskets and...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepersComplete kits also include rocker cover gaskets, head gaskets and...

S&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)Intake manifold, pistons and...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepersComplete kits also include rocker cover gaskets, head gaskets and...

High port flow gives great performance now, and more later when additional upgrades are doneHeads are fully assembled with springs and valvesCompression ratios vary depending on cylinder heads...

High port flow gives great performance now, and more later when additional upgrades are doneHeads are fully assembled with springs and valvesCompression ratios vary depending on cylinder heads...

High port flow gives great performance now, and more later when additional upgrades are doneHeads are fully assembled with springs and valvesCompression ratios vary depending on cylinder heads...

High port flow gives great performance now, and more later when additional upgrades are doneHeads are fully assembled with springs and valvesCompression ratios vary depending on cylinder heads...