Lingenfelter L950066509 LSA & LS9 Pulley Removal & Install Kit v1.0 - Manual (Page 5)

Page 4.
9. Pulley or pulley hub installation.
Note - some pulley sizes will require
clearance machining of the supercharger
housing. Directions for this can be found in
the LPE pulley instructions.
10. You will need to properly support the one
end of the shaft on the supercharger front cover
using the supplied support in order to be able
to properly press the new pulley or hub onto the
shaft. Line up the three pins in the shaft with the
holes in the support spacer.
11. Place the supercharger front cover
assembly in an arbor, hydraulic or other similar
press. Make sure that the cover is supported by
the spacer so that when you press the pulley
onto the shaft you are pressing directly on the
shaft and the spacer and NOT applying any
force to the aluminum cover. It is critical that the
shaft not move in relation to the cover casting.
12. Apply press lube to the supercharger
shaft.