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Purchasing Information:
After you place your order on this site, we will contact you to confirm your order details prior to payment being made. All orders will be processed and fulfilled by one of our authorised dealers. Rollies Speed Shop Distribution is a wholesale business and does not sell directly to the general public. For more info see the Purchasing Information page.
Features & Benefits:-
* S&S Super Stock Cylinder Head.
* Includes Lower SS90-4120 lower Rocker Gaskets
* Includes Head bolt kit SS930-0027, replaces the short H-D head bolts .
* Includes Decompression Release Block-Off Plugs SS90-4916-2
* Compression releases may be purchased separately if desired.
* Accepts S&S or OEM pistons – refer to Compression Ratio Chart for S&S Super Stock Heads for 1999-05 Big Twins for further Info.
* Accepts up to 640 lift ca ms with S&S pistons – if using stock H-D pistons, valve reliefs must be machined in the pistons due to larger valves
* 2.000in. Intake Valves & 1.605 Exhaust Valves.
Tech Tips:-
* OEM H-D rocker covers can be retained when using S&S manual compression release or S&S Easy Start Cams.
* Must use the supplied SS90-4120 lower rocker gaskets when running
OEM Heads
* Heads can be decked up to .060in. to increase compression – normal clearance checks should be carrie d out.
Proudly Made in the USA by S&S Cycle !
MFR PART No: 90-1106
ROLLIES PART No: SS90-1106
Give us a call us on
(07) 3252 5381 and one of our
parts specialist’s will help
you get the parts you need.Â
