With mechanical advanced ignition

Fits: > All 40-52 WL

Max load 10 pounds (4

Left side engine case sealFits:FL 1969-1969

Fits: > Customs with internal throttle

HASTING PISTON RINGS MOLY EV80cui +.010 Tändspole With mechanical advanced ignitionStd 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