S&S CYCLE Black Super Stock Cylinder Heads, 79CC, Harley 99-06 FX 99-06 FL

DS-09300058

Regular price $1,444.95

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S&S CYCLE Black Super Stock Cylinder Heads, 79CC, Harley 99-06 FX 99-06 FL
  • High port flow gives great performance now, and more later when additional upgrades are done
  • Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powder-coat
  • 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
  • 79cc heads accept OEM rocker boxes
  • 89cc heads accept S&S rocker boxes only (PART #90-4110)
  • Heads are machined for compression releases (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
  • Sold in pairs
  • Made in the U.S.A.
S&S CYCLE Black Super Stock Cylinder Heads, 79CC, Harley 99-06 FX 99-06 FL Harley S&S Cycle - K and G Cycles