GrimmSpeed Subaru Lightweight Crank Pulley - Manual (Page 5)

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11. You will now be removing your OEM crank pulley. If your crank pulley looks like this, you
will install the 4 larger pins into the GrimmSpeed crank pulley removal tool using a 10mm hex
wrench.
12. If your OEM pulley looks like this, you will install the 4 smaller pins into the GrimmSpeed
crank pulley removal tool using an 11mm wrench.
13. Insert a 1/2" drive ratchet or breaker bar into the GrimmSpeed crank pulley removal tool
and insert the tool into your OEM crank pulley.