Product Details
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 & 1.605 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. HD head bolts # SS930-0027
* Includes Decompression Release Block Off Plugs # SS90-491 6-2
Proudly Made in the USA by S&S Cycle !
MFR PART No: 106-4270
ROLLIES PART No: SS106-4270
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