Is this 12555320 the same as the 3931093 with a different part number? https://www.ebay.com/itm/33393328945...gAAOSwcL5gXAon
The Moroso part will keep the lifter in the bore if a pushrod or rocker arm fails.
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Freddie
1969 Camaro RS/SS396 (427) 4 speed
Last edited by big gear head; 05-28-2021 at 10:56 PM.
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