SBC CHEVY 350 383 HASTINGS MOLY RINGS 2M 139 2M139 +.040 OVER
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HASTINGS RING SET FOR SBC 350/383 ENGINES.
Fits many more applications that require 4.040 bore piston rings. Also known as +.040 over
5/64" 5/64" 3/16" size.
Hastings Flex-Vent oil control rings help eliminate blow-by.
Hastings Piston rings are a perfect replacement for the stock or medium performance build up. Hastings ring sets feature standard ring end gaps (drop-in) for easy installation.
Hastings Plasma Moly rings are an inlay in the face of the top groove rings.
The Moly spray inlay is approx .004/.007 deep into the face of the ring.
Plasma Moly makes a stronger coating that is less likely to flake off the ring.
Plasma Moly rings promote quick ring seating along with increasing the ring life.
The Hastings rings are our choice on most of our street rod buildups. We have never experienced a failure. As far as value with quality is concerned, these are at the top of our list. We have various sizes available.
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