S&S Cycle SS106-3240 89cc Cylinder Head Kit Black for Twin Cam 06-Up/Touring 08-Up Models w/Throttle-by-Wire

Product Specs for S&S Cycle Super Stock Cylinder Head Kit

• If 89cc heads are used with stock pistions, valve reliefs in the pistons must be machined.

• Both 89cc and 79cc heads may be decked as much as .060″ to increase compression. If heads are decked, valve to piston clearance must be checked. If stock pistons are used, valve pockets must be remachined.

• Moderate valve spring force in S&S Cycle Super Stock cylinder heads allows the use of camshafts designed for the stock style chain cam drive system. However, for maximum reliability and performance we recommend the S&S Cycle gear drive cams.

• S&S Cycle cylinder heads with 79cc and 89cc chambers use different valve sizes so it is important to order the correct replacement valves. Valves have part numbers etched below the keeper grooves for easy identification.

California Prop 65 WARNING - Birth Defects, Cancer, Reproductive Harm - www.P65Warnings.ca.gov

(SS106-3240)

Fitment Notes & Exceptions

• Not for Twin Cooled models.

**Please Note: The fitment information below has been generated as a guide and may not be 100% accurate. Please contact us if you require further assistance.

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