Ok guys i know that the eco supercharger was suppose to be 6 rib but was converted to 5 cause majority of the pulleys stock are 5 rib.

but if you wanna convert to a 6 rib and use cobalt belts no cutting here is all you need.

Cobalt SS/sc alternator.............................................................22727494
Cobalt SS/sc crank pulley.........................................................12583151
A/c compressor cobalt clutch/pulley kit...................................15923804


i was bored @ work today so cross referenced the 2 compressors and what not.
It can get kinda expensive but its up to you

you can always just cut a rib off the cobalt belt




swapped, supercharged, intercooled, 2.9, fun

I swapped everything from a cobalt. If you choose to install the entire a/c comrpesssor vs the clutch/pulley kit you will need to modify the ac line that goes to the compressor, just have to drill the center mounting hole out a lil bit more. Found out when it wouldn't charge.

I haven't heard of anyone with slipping belts with the 5 rib, so unless you already have everything it may not be worth the time and money.


12.770 @ 111.99 Intercooled Eaton M62

md ld9 is makin a crank pulley for the lsj soon.


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my carDomain updated 3/6/07 Boosted at B-day!