What company makes the best piston rings?

According to Kings Research, the global Piston Rings Market is estimated to hit a valuation of $2.49 billion by . The piston rings market is experiencing rapid growth, and a significant factor behind this surge is the implementation of emerging emission standards by governments worldwide. These regulations are designed to curb the harmful effects of vehicular combustion by reducing emissions of nitrogen oxides and particulate matter.

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For example, India's BSVI emission guidelines and Europe's Euro 6 environmental standard are leading the charge in setting stricter limits on emissions. These initiatives are not only promoting cleaner air but also significantly influencing the current landscape of the piston rings market. As manufacturers adapt to meet these stringent standards, the demand for high-quality, efficient piston rings has never been higher. This blog highlights the top 10 piston ring companies, all of which are based on their product offerings

What are Piston Rings?

Piston rings are expandable split rings employed to provide a seal between the piston and the cylinder wall in internal combustion engines. Their primary purpose is to control oil consumption by keeping too much oil from burning in the combustion chamber and to keep pressured combustion gasses out of the oil sump. In addition, the piston ring compressor tool regulates the flow of oil for lubrication and aids in the passage of heat from the piston to the cylinder wall.

Due to the constant pressure these rings are subjected to, they are prone to wear and potential failure over time. Some bad piston ring symptoms include excessive exhaust smoke, loss of power reduced performance, increased oil consumption, etc.

10 Best Piston Rings Companies In the World

1. Performance Sealing, Inc

Performance Sealing, established in , is a prominent global manufacturer specializing in high-pressure polymer seals, bearings, and associated components. Their product portfolio includes self-lubricating polymer bearings, PTFE rotary seals, spring-energized PTFE seals, etc.

Recently, Performance Sealing, Inc. developed a novel PTFE seal design that improves the performance and longevity of seals used in high-pressure situations. This innovation is especially helpful for aerospace applications.

2. Hastings Manufacturing Company, LLC

Hastings Manufacturing Company, LLC, established in , specializes in manufacturing piston rings for original equipment manufacturers globally. Their products include top compression rings, second compression rings, and oil control rings, serving a variety of applications such as automobiles, motorcycles, lawn and garden equipment, and compressors.

Hastings Manufacturing recently introduced an advanced piston ring coating technology that significantly improves wear resistance and extends the life of engines in heavy-duty applications.

3. Precision Rings, Inc

Founded in , Precision Rings, Inc. is known for producing high-temperature piston rings and seal rings. Precision Rings is ISO : and ASD certified and is involved in advanced technologies such as fuel delivery systems, underwater drilling systems, and engine propulsion designs.

The company has recently developed a new composite material that offers superior heat resistance and durability, catering to the latest generation of high-performance engines.

4. Neutronics Enterprises Inc

Established in , Neutronics Enterprises Inc. specializes in advanced brushless motors, including outrunner, inrunner, sensorless, and high-voltage motors. Their products are widely used in industries such as radio-controlled vehicles, robotics, military, aerospace, and industrial sectors. The company is known for providing comprehensive support solutions, including technical assistance, training, and spare parts.

Neutronics Enterprises has recently launched a new line of high-efficiency brushless motors with enhanced cooling systems, designed for increased performance in aerospace and robotics applications.

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5. Pacific Piston Ring Company

Founded in , Pacific Piston Ring Company produces such rings for various applications, including pneumatic and hydraulic valves, actuators, landing gears, auxiliary power units, compressors, and bleed air valves and controls.

Pacific Piston Ring Company has recently introduced a new line of sealing rings for high-pressure applications, enhancing the performance and reliability of hydraulic systems in aerospace and industrial machinery.

6. Riken Corporation

Riken Corporation is a renowned manufacturer of piston rings, providing a wide range of rings for various applications including automotive engines, motorcycles, and industrial machinery. The company focuses on producing high-quality pistons that enhance engine efficiency and longevity.
Riken Corporation has recently developed a new line of low-tension rings designed to reduce friction and improve fuel efficiency, specifically catering to the growing demand for eco-friendly automotive technologies.

7. IP Rings Ltd

IP Rings Ltd. specializes in producing high-precision rings for the automotive industry. They offer a variety of rings, including compression rings and oil control rings, which are essential for optimizing engine performance and reducing emissions.
IP Rings Ltd. has introduced an advanced surface coating technology that significantly improves wear resistance, catering to the stringent requirements of modern high-performance engines.

8. Grover Corporation

Grover Corporation manufactures rings for heavy-duty applications, including commercial vehicles, industrial machinery, and marine engines. The company focuses on durability and precision in its product offerings.
Grover Corporation has recently launched a new series of high-strength designed for heavy-duty diesel engines, featuring improved materials and coatings to extend engine life and performance.

9. Nippon Piston Ring Co., Ltd

Nippon Piston Ring Co., Ltd. produces a comprehensive range of piston rings for automotive, marine, and industrial engines. Their products are recognized for their high-quality standards and innovative designs that enhance engine efficiency.

Nippon Piston Ring Co., Ltd. has recently developed a new piston ring material that offers superior thermal conductivity and strength and is designed to meet the demands of next-generation, high-performance engines.

10. Tenneco Inc

Tenneco Inc. is a leading global supplier of engineered piston rings for the automotive and commercial vehicle industries. They provide high-performance piston rings designed to meet the demanding specifications of modern engines.

Tenneco Inc. has recently developed an advanced piston ring coating technology that enhances wear resistance and reduces friction, contributing to lower emissions and better fuel economy in vehicles.

Concluding Thoughts

Piston rings continue to play a vital role in the functioning of internal combustion engines. As technology advances and engines become more efficient, these are expected to evolve as well. The future of these rings holds promising advancements, such as improved materials and designs that enhance sealing capabilities, reduce friction, and further optimize engine performance. With ongoing research and development, we can anticipate rings that contribute to even greater fuel efficiency, reduced emissions, and enhanced durability. As the automotive industry embraces innovative technologies, these rings will undoubtedly remain a critical component, driving the future of engine efficiency and sustainability.

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Who makes the best piston ring? Who makes the best piston ring set under $400? I personally am leaning toward the Childs & Albert ZGS (zero gap second) ring set. My engine builder has used them many times in the past with excellent results. (Mostly SBC & BBC engines)

IA2 Block / 4.35 Bore / Ross Custom dish

I received a set of Total Seal rings (CR 35)with my rotating assembly but it is not a true gapless ring so I'm switching to something different.

Anyone have experience with the C&A ZGS ring set, or want to recommmend another high quality gapless ring set?


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James
Trans Am
Spotts Built 484" IA2, Highports, EFI Northwind
Holley Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/ Last edited by R 70 Judge; 12-23- at 02:50 AM. Talking to a class racer (400 Firebird) at Mission Raceway a couple of years ago. He said that they had changed to C&A ring packs and were very happy with the gain in et they experienced.
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"For some reason a glaze passes over people's faces when you say "Canada". Maybe we should invade South Dakota or something." Yes, CR 35 is Total Seal's 'Classic' style ring set (not gapless). I have no personal experience with them.
You're sure to get lots of controversy on this question- there have been many posts here about dissatisfaction with gapless rings in Pontiacs. In my competition-only blown/unblown-alcohol engines, I was happy with the performance of Total Seal's gapless-second-ring sets, with moly-filled top and standard-tension oil rings (1/16, 1/16, 3/16). I chose a similar set for a street engine, but haven't yet run it. I have run their gapless-second-ring sets in two Kohler garden tractor engines for about twenty years now, and am very happy with them- other than the electric-start one doesn't want to crank very well!
I don't want to hi-jack this thread but if I may bring up a question. Can you sucessfully run the gaples rings without running a vacuum pump? When we talk about gapless rings are we talking low tension or standard tension rings? Thanks.

Tim C
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Tim Corcoran I've run both C&A and Totalseal Gapless rings and been happy with both. As for who is best, I run both types in the same engine to know. But leakdown test have shown no regonizable differences. As for running without a vacuum pump, yes you can, they excel with the pump. Some claim high rpm flutter without a pump, but we never had that issue. Ringland placement can make a difference though.
Quote: Originally Posted by goquick I've run both C&A and Totalseal Gapless rings and been happy with both. As for who is best, I run both types in the same engine to know. But leakdown test have shown no regonizable differences. As for running without a vacuum pump, yes you can, they excel with the pump. Some claim high rpm flutter without a pump, but we never had that issue. Ringland placement can make a difference though. Ring land placement and also ring size. Most gapless rings are designed for higher rpm's so they are typically smaller than 1/16" (i.e. .043, .031 etc) which could cause flutter. The other issue is most gapless ring sets come with a low tension oil ring standard which could cause oil consumption in street driven applications. Just be sure to choose the best package for the intended useage.
I never use or install gapless rings in any of my engines. Also the trend in the last 5 years is to run more gap on the second ring than the top ring. Why do you think that is???? It is because the pressure between the top and second rings needs to be ZERO, or the top ring seal will suffer. A traditional speedpro ring set is still one of the best choices. The stainless oil ring is second to none.
Ring choice 74ta.I agree with you.I have never run gapless rings and had great success with file fit sealed power sets.I have not tried the larger second ring gap however.Is there more power or just better ring life??
Quote: Originally Posted by 67cruiser 70 Judge, Don,t laugh but im hearing Hastings has a great set of rings According to Paul Spotts website he uses Hastings rings. I know some nice engines come out of his shop so they must be decent.

Jegs is having a sale on the Childs & Albert 4.38" bore ZGS rings right now. It's the wrong size ring for me, but I figured I'd pass it on.
http://www.jegs.com/webapp/wcs/store..._-1_
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James
Trans Am
Spotts Built 484" IA2, Highports, EFI Northwind
Holley Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/ I like the Hastings top ring. It has a bevel on the inside upper part of the ring that twists the ring upwards against the bore. On the power stroke, combustion pressure forces it down so that it is perpendicular to the bore for good seal. On the non-power strokes, it twists up & forms a sharp edge to scrape oil off the bore. The good thing about it also is that as it wears, the sharp edge remains & will continue to work for the life of the ring, & not go away after xx,000 miles.