Does anybody know what aare the GM part numbers for the front swaybar? I unbolted and measured the bar diameter where the bushing mounts. The size is 34mm. If I measure other spots on the bar, it measures 36mm. So if I get 36mm bushings, will they fit my bar?

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'91 Formula
383CI Superram, Sportman II's
SLP Cam 214/224 .470/.490
Vortech V1 S-Trim
5-speed
3.42
12.34@117.04, 1.91 60Ft.
on Drag Radials

 

You measure in the spot directly where the bushing is on the bar,, that is what size you order. As for sizes & p/n's,, check my sig.

Go to 'front suspension' under the firebird section & I believe it's #9 for sway bar sizes/p/n's
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• my Formula Homepage
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[This message has been edited by deadbird (edited October 11, 2001).]

 

they are 36mm bushings.

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'86 IROC 5-speed
305 LG4
edelbrock performer rpm intake
edelbrock 600 cfm carb
msd pro billet hei distributer
'95 3.23 rearend
hotchkis rear suspension
PST front polygraphite suspension
"speed kills. buy a f@&d, live forever."

 

I just removed my front bar and measured it with a caliper. Where the bushings are, it measures 1.41" or 36mm.

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'91 Formula
383CI Superram, Sportman II's
SLP Cam 214/224 .470/.490
Vortech V1 S-Trim
5-speed
3.42
12.34@117.04, 1.91 60Ft.
on Drag Radials

 

Are your original bushings "blown out" ? The 1LE sway bar bushings and WS6 sway bar bushings are one and the same.

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92Z28
89GTA