91-03 Dyna

Fits: > 56-90 4-SP

13mm diameter) copper wire strands

With mechanical advanced ignition

INCLUDES SEAL Note: See 510717 James / 561325 Cometic for replacement seal

HASTING PISTON RINGS MOLY EV80cui +.010 Tändspole 91-03 DynaStd cyl. bore: 3. 4980" (88. 85 mm). 1st. ring: 1. 6mm. 2nd ring: 1. 6mm. oil ring: 4. 0mm. 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