Looking for 4.8 Flat Top Pistons - Gen lll

Antbankstwo3

Active Member
Joined
Oct 23, 2011
As title says, looking for 4.8 Flat Top Pistons I can use in a stock bore Gen lll Vortec. Not sure if this is right place to post but thought I'd start here before I went to purchase new.
 
Aren't 4.8 and 5.3 pistons the same? The rod length is different, correct?

bore
 
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