1200cc Big Bore Kit – Wrinkle Black. Fits Sportster 1986-2021 with 883cc Engine.

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Features & Benefits:-* Will Not Fit XR1200* Includes Black Cylinders.* Includes MLS Head Gaskets, Base Gaskets & Exhaust Gaskets. * Includes Assembly lube & Instructions.* No machining & No re-balancing.* No cylinder head modifications.* The dished piston dome keeps compression down to a streetable 9.4:1 with stock 883cc heads.Tech Tip:-* For the best performance CNC head porting, performance cams, exhaust & intake upgrades are recom mended.* EFI re-tuning is required.Proudly Made in the USA by S&S Cycle !
MFR PART No: 910-0687

ROLLIES PART No: SS910-0687






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