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

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 recommended.

* EFI re-tuning is required.

Proudly Made in the USA by S&S Cycle !