Lingenfelter L250110309 Lingenfelter C6 ZR1 Corvette Supercharger Front Cover 2009-13 v2.2 - Manual (Page 20)

Page 19.
66. Apply a thin film of the supplied Permatex
Ultra Black Gasket Maker to the Lingenfelter
LS9 cover flange surface.
67. Install the new cover onto the
supercharger assembly. The three pins sticking
out of the supercharger drive shaft in the front
cover go into the three holes in the plastic
coupler that are not occupied by the pins from
the supercharger assembly.
68. Install the six (6) cover bolts with a 10
mm socket and extension. Torque to 27 Nm
(20 lb ft). The torque sequence is not critical
on this component. With the plastic cover
removed from the end of the shaft, tap the
end of the shaft with a rubber mallet to seat
the plastic shaft coupler. Check to make sure
the supercharger assembly turns smoothly. If
it doesn’t turn freely, tap the end of the shaft
again to fully seat the plastic coupler.
65. Remove the old dowel sleeves from the
front cover/housing. Install the supplied dowel
sleeves into the LS9 supercharger housing.
Install the sleeves in the bottom left and bottom
right hand corner of the supercharger housing.
DO NOT install sleeves on the front cover.
NOTE: Some early engines may not have
dowel sleeves in the cover. Dowel sleeves
should be used on these early engines as well.
See example image for correct location.