What the hell is it?
S-Trim Upgrade-Includes high efficiency, curved blade S-Trim impeller, high speed precision balanced to racing specifications, new S-Trim compressor housing, replacement of all bearings and seals, new select fit impeller spacer and nut, new compressor retainers, a detailed inspection of all supercharger components, all balanced and assembly labor. What good does this do?
I think this is the HD upgrade (for cogs)
Ian
Sorry Ian, I believe that DOES NOT include the HD bearings.
Sounds like the upgrade from an a-trim to an s-trim.
Eric
1990 Mustang GT
9.20 @151.18
Check out this forum for AOD's/C4's: Click Click Racing Forums
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I agree with Rdrunnr
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