If you are using stock pistons I'd use stock rings. Oem bearings are very good, ACL's are nice but they only come in one size. Only consider using them if you crank/block/rods code in the yellow, green or brown size.
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Don't bother giving me "rep", I won't return it and I think it is stupid.
Gracie Barra Clearwater
Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.