Expansion Plug Kit. Fits Oil Cooled Touring 2017up & Softail 2018up with S&S 4.250in. Big Bore Cylinders.
Features & Benefits:-* Sold as a Kit.Proudly Made in the USA by S&S Cycle !
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Features & Benefits:-* Sold as a Kit.Proudly Made in the USA by S&S Cycle !
Features & Benefits:-* For the rider who really wants the most top end horsepower. Will make 100 horses from a stock engine with S&S intake and performance exhaust* Best Power in the higher rpm range 3500-6500* Designed for 103ci Engines with 9.7 to 10.5 Compression & Stock or Ported Heads.* Designed as a Bolt-in on…
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