Note: Will not fit 00-01 FLT with late model Magneti-Marelli inj

Fits: > 18-21 M8 Softail

S&S Kolvringar till 3-5/8"bore +

3/8" hoses

Note: See 517257 for upgrade K&N filter element

Piston 1340cc Evo Big Twin +.020 Motor Note: Will not fit 00-01Standard 8. 5: 1CR. Perfect for a stock rebuild. These cast type pistons are well known for their low expansion rate. They have a substantial lower price than OEM forged pistons. Note: Each piston includes one wrist pin and two wrist pin clips. Piston rings must be purchased separately. Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to