Harley Davidson | S&S 89cc Cylinder Head Kit – Black | Twin Cam | 06-17


Please add any motorcycle modifications such as exhaust type, whether full system or de-cat system, filter etc.
Please Note: - It is your responsibility to ensure you have provided all relevant make and model details and that they are accurate. Dynobike will in no way be held responsible for any modifications made to your ECU whatsoever. This will void most warranties. This modification is not for public roads or highway use and does not comply with emission and noise regulations for Australia. Suitable for closed circuit track use only. It is illegal for restricted license holders to ride modified a motorcycle on public roads. Dynobike Pty Ltd is not responsible for any damages, problems, or fees associated with the tampering of emissions and noise controls.
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Note: If unsure, check with us for model fitment.

Features & Benefits:-

* Accepts S&S or OEM pistons.

* Accepts up to 640 lift cams with S&S pistons or if using with stock pistons valve reliefs must be machined in the pistons due to larger valves.

* 2.000in. Intake Valves & 1.605in. Exhaust Valves.

* Includes Lower Rocker Gasket to use with OEM rocker covers # SS90-4120

* Includes 4 Head bolts – use in place of the in.shortin. H-D head bolts # SS930-0027

* Includes Decompression Release Block Off Plugs # SS90 -4916-2

* Sold as a Pair.

Tech Tips:-

* OEM 96ci = 8.9:1 Compression Ratio.

* OEM 103ci = 9.3:1 Compression Ratio.

* OEM 110ci = 9.8:1 Compression Ratio.

* Also Fits TC Throttle-by-Wire Models 2008-2017

* Not compatible with Twin-Cooled™ models (Water Cooled)

Proudly Made in the USA by S&S Cycle !

MFR PART No: 106-3240
Dynobike PART No: SS106-3240

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Make Model Year
Harley Davidson All Models (Check) 2006 - 2017