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I have yet to encounter anything different on either the #3973454 M-22,or #3989300 TH400 LS-6 Flywheel.
On the L-78 TH400's,there were two different flywheels possible.One being the 11-1/2" #3868802 single bolt hole mounting pattern,the other the #3937736 with two staggered bolt hole patterns on it.(being 10-3/4 inner diameter & 11-1/2 outer dia.) |
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