- 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.
- Heads are not machined to accept compression releases.
Brand
S&S CYCLE
Vendor Part Number
900-0349
Base Color
Black
Base Finish
Powder-Coated
Color/Finish
Powder-Coated, Wrinkle Black
Displacement
91 cc
Material
Aluminum
Model
Super Stock
Product Name
Cylinder Head Kit
Units
Pair
S&S CYCLE
HEADS CYL 07-17 BLK 91CC
09031292 / 900-0349
2.383,74EUR*
*incl. 19% VAT
9+
In Stock
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