Race winning technology that’s guaranteed to deliver top performance in today’s most extreme engines. Improved oil control. Reduced engine friction and wear. Excellent heat transfer. Superior combustion control. Nearly 100 years of manufacturing experience ensures the right of design for every engine application with “Motor-Engineered” rings.
SPECIFICATIONS
- Hastings Moly Piston Rings.Buy now and get same day shipping!
- Bore size: 4.040″
- Top ring: 5/64″ Moly
- Second ring: 5/64″ Cast
- Oil ring: 3/16″ Stainless
SHIPPING
- We do our best to ship most items same or next day.
- For all products, free fast delivery of the UPS is already included in the price.
FITMENT
- +40 Chevy 350
- For +.040 Chevy 350s. Also works for 302, 327, and 383
NOTES
- .200 deep oil ring, if replacing rings on factory type 350/5.7L pistons ’86-’00 years may differ from specs above.




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