This is the locked 'early' 58-90 model for which a separate thrust washer shim is used to achieve correct camshaft end-play

Fits: > Up to 1999 models (excl Twin Cam) in custom applications

Includes: Quick change + Top end gasket kit

Dyna: 06-17 FX Dyna models (excl

Bottom 39mm ID

Hasting Rings Pan/Shovel 74" +.010 Motorfästen/Motor Mounts This is the locked 'early'Std cyl. bore: 3. 4375" (87. 312mm). 1st ring: 1. 6mm. 2nd ring: 1. 6mm. oil ring: 4. 75mm. Tech tip: Piston grooves vs piston rings. It's not difficult to determine if a Hastings piston ring set will fit a certain piston. You should measure the height of the piston groove in the piston itself. The 2 top grooves will be for compression rings, the lower groove will be for the oil ring. In most cases Hastings oil rings are of the low tension 3 piece