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The Chrysler #2658457 damper is an early forged crank internal balance type, measuring 7 1/4" diameter by about 7/8" wide, with the offset (pre 72) pulley bolt pattern . Most of these types of dampers will be Chrysler # 2275897 or 2658457. These were available with either the CUT ring (shown here) or the solid ring (listed separately), and the holes in the hub may be either round or square. The difference appears to be based on the supplier Chrysler happened to use, as we have seen both types used for the same year, part #, etc. These were used from about 1962 until 71 with all forged crank engines. In 72, the bolt pattern was changed to be symmetrical and therefore a different part and associated part # were used. These usually do not have part numbers cast into them (although sometimes 2658457's will be marked on the rear inside of the hub.) Check for the offset bolt in the pulley bolt pattern to be sure. These are used items, that will be in "as removed" condition from the engine, not cleaned as shown in the photo. We are selling off our supplies of used engine parts, so these will be available only while supplies last. Get 'em while you can!
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