Best Perfect Circle Piston Rings in 2026
Daisy
Last Updated: Feb 8, 2026
Daisy
Last Updated: Feb 8, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Autoplicity ✅ | 9.69 | ❌ | ❌ | ❌ |
Highest quality OE replacement piston ring set available - MAHLE replacement ring sets are designed with OE form, fit, and function
MAHLE piston rings with SAE 9254 high alloy steel base material combine to make the ultimate piston ring base material: higher tensile and yield strength, extended fatigue resistance, and increased material hardness
MAHLE second rings provide superior oil control, improved combustion gas management, top ring stability, and sealing providing the best possible oil control and least amount of power loss
MAHLE CP-20 oil rings provide superior oil control in all applications utilizing the exclusive 20 degree ear angle for the best possible side seal in the piston oil ring groove and simplifies installation
MAHLE continues to lead the industry with SAE 9254 high alloy steel napier second rings providing high quality grey iron/ductile iron BT and RBT second rings
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Engine Parts Center | 9.75 | ❌ | ❌ | ❌ |
Click ON CORRECT OVER SIZE NEEDED BEFORE PLACING IN CART
TOP LAND: .118" 2ND LAND: 5/64" 3RD (OIL) LAND: 3/16"
For standard bore engines
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PartsHawk | 9.43 | ❌ | ❌ | ❌ |
Bore: 4.280" (at +.030")
Ring Lands: 5/64"-5/64"-3/16"
Part number: 40203CP.030
Package Weight: 1.2 pounds
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Shop Eddies 🏁✳️🚚 | 9.59 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| PartsHawk | 9.42 | ❌ | ❌ | ❌ |
SPECIFICATIONS: # of Cylinders: 8 , Bore Inch: 3.780 , Bore_Diameter: 96.00 , Oil_width_inch: 0.118 , Oil_width_mm: 3.0 , Width_2nd_inch: 0.059 , Width_2nd_mm: 1.5 , Width_top_inch: 0.059 , width_top_mm: 1.5
This item may interchange to the following part numbers from other brands. This is provided for reference only and does not guarantee that the part your are buying is identical to the part numbers from the brands listed below. To confirm that this part fits your vehicle, enter your vehicles Year, Make, Model, Trim and Engine in the Compatibility Table. Hastings 2M4978 Perfect Circle 41859CP
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Guardian Engine Kits | 1 |
| Mahle | 1 |
| Mahle Original/Perfect Circle | 1 |
| Partshawk | 1 |
| Perfect Circle | 1 |
We've carried out a comprehensive analysis of 14 reviews on piston rings perfect circle, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select piston rings perfect circle priced around $113.07, with top brands including perfect circle, mahle and guardian engine kits and mahle original/perfect circle
Our team of expert editors reviewed these high-quality items and handpicked the top 5 piston rings perfect circle for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include sg marketplace, shop eddies 🏁✳️🚚, autoplicity ✅ and engine parts center and partshawk .
We are dedicated to assisting our users in finding the right rings Products based on their needs, saving them considerable time when choosing which piston rings perfect circle to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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