Super Stock 89 cc cylinder heads - 89CC black

Cylinder heads are fully assembled with springs and valves.
Designed for '06-'16 engines with original sump.
Suitable for touring motorcycles and other heavy vehicles
Works well with standard capacity engines, but is ideal for stroker or big bore engines up to 110".
The combustion chamber provides a compression ratio slightly higher than standard, yet still manageable in larger capacity engines.
The 2.000" intake and 1.605" exhaust valves maintain flow speed for good low and mid-range response, but supply enough air for slightly larger engines to reach their full potential.
High-performance S&S® valve springs allow fitting camshafts with up to 0.650" lift
The intake ports flow 264 CFM (cubic feet per minute) compared to 182 CFM of the original cylinder heads.
Compatible with original swingarms, exhausts and intake manifolds
Made in the USA
Not compatible with S&S decompressors on modern Twin Cam engines already fitted with the Harley Davidson® Automatic Compression Release (ACR).
Not compatible with FLHTK/FLHTKL, FLHTCUTG Twin-Cooled '14-'16 engines or '17 touring models.
Not suitable for models with OEM decompressors
S&S rocker boxes are mandatory if S&S decompressors are fitted.
Not for models with OEM decompressors; supports OEM rocker boxes.



Specifications


Brand
S&S CYCLE


Supplier reference
106-3240


Finish
Electrostatic powder coating


Engine capacity
89 cc


Base colour
Black


Colour/finish
Electrostatic powder coating, Black Wrinkle


Material
Aluminium


Model
Super Stock


Product name
Cylinder head kit


Units
Pair