2006 - 2017
HARLEY-DAVIDSON SOFTAIL FAT BOY
Super stock black cylinder heads
| S&S CYCLE
Fits to:
Harley Davidson FLSTFB 1690 ABS Fat Boy Special [2012 - 2017]
Harley Davidson FLSTF 1450 Fat Boy [2006 - 2006]
Harley Davidson FLSTFB 1584 ABS Fat Boy Special [2011 - 2011]
Harley Davidson FLSTF 1584 Fat Boy [2011 - 2011]
Harley Davidson FLSTFB 1690 ABS Fat Boy Lo [2012 - 2017]
Harley Davidson FLSTFB 1690 Fat Boy Lo [2012 - 2013]
Harley Davidson FLSTF 1584 Fat Boy [2007 - 2010]
Harley Davidson FLSTFI 1450 EFI Fat Boy [2006 - 2006]
Harley Davidson FLSTFB 1584 ABS Fat Boy Lo [2011 - 2011]
Harley Davidson FLSTFB 1690 ABS Fat Boy Special 110th Anniversary [2013 - 2013]
Harley Davidson FLSTFB 1584 Fat Boy Lo [2010 - 2011]
Harley Davidson FLSTFSE2 1690 Fat Boy Screamin Eagle [2006 - 2006
Harley Davidson FLSTFBS 1800 ABS Fat Boy S [2016 - 2017
Harley Davidson FLSTF 1584 ABS Fat Boy [2011 - 2011]
Harley Davidson FLSTF 1690 ABS Fat Boy [2012 - 2017]
Harley Davidson FLSTF 1690 Fat Boy [2012 - 2014]
Harley Davidson FLSTFB 1584 Fat Boy Special [2010 - 2010]
Harley Davidson FLSTFB 1690 ABS Fat Boy Lo 110th Anniversary [2013 - 2013]
Specifications
| Manufacturer | S&S CYCLE |
|---|---|
| Color/finish | Powder-Coated| Wrinkle Black |
| Displacement | 89 cc |
| Material | Aluminum |
| Model | Super Stock |
| Units | Pair |
| Base color | Black |
| Base finish | Powder-Coated |
Product description
High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see Compression Ratios chart for specifications 79cc heads work great with stock motors for 88" to 103" motors; 89cc heads work best for motors over 103" or with high-compression pop-up pistons 79cc have 1.940" intake and 1.575" exhaust valve and springs for up to .640" lift; 89cc have 2.000" intake and 1.605" exhaust and .640" springs Heads are machined for compression releases unless noted otherwise (sold separately); S&S rocker boxes required when using S&S compression releases Do not include rocker arm components, intake manifold or gaskets Heads include four long headbolts, and reuse four long OEM headbolts Accept OEM intake manifolds Made in the U.S.A. Must use S&S rocker boxes (PART #90-4110) if S&S compression releases are used. Not compatible with Twin Cooled heads.
Not for models with OEM compression releases; Accept OE rocker boxes.