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#9152510
Speedway Moly Piston Rings, 4.00 Bore, Style A
- These standard moly piston rings from Speedway Motors work with either gas or alcohol fuels
- They are able to handle upwards of 8,000 RPM
- Will work on engines with up to 14:1 compression
Starting from
$79.99
/set
In Stock
Quantity
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Product Summary
- These standard moly piston rings from Speedway Motors work with either gas or alcohol fuels
- They are able to handle upwards of 8,000 RPM
- Will work on engines with up to 14:1 compression
- Top and second rings are both made from moly coated cast iron
- Both the top and second rings are 5/64" and the oil ring is 3/16"
Key Specs
| MFG. Part # | Select Ov.bore |
| Brand | Speedway Motors |
| Piston Ring Style | A |
| Piston Ring Diameter | Select Ov.bore |
Need To Know
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855.313.9176Quick and Easy Returns
Return PolicyDetails
Details
Speedway standard moly piston rings work with either gas or alcohol fuels, handle 8000+ rpm, and up to 14:1 compression.
- Top 5/64"
- 2nd 5/64"
- Oil 3/16"
Charts
Ring Style Chart (GIF)
Guides & Documents
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Specifications
Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | Select Ov.bore to see |
| Brand | Speedway Motors |
| Piston Ring Style | A |
| Piston Ring Diameter | Select Ov.bore to see |
| GENERAL | |
| Piston Ring Design | Conventional |
| Top Ring Material | Moly Coated Cast Iron |
| Top Ring Thickness | 5/64" |
| Second Ring Material | Moly Coated Cast Iron |
| Second Ring Thickness | 5/64" |
| Oil Ring Thickness | 3/16" |
| Oil Ring Tension | Standard Tension |
| Sold in Quantity | Set |
Ratings & Reviews
4.7
15 Reviews
Customers consistently praise our product for its high quality, dependability, and cost-effectiveness. The product's usability and strength are highlighted, particularly in high-pressure environments like racecar engines. Customers commend its practicality for budget bracket race engines, noting it is a good value for money. Several customers intent to repurchase, signifying satisfaction. Many highlight its good quality, making our product a preferred choice over competitors for its superior performance and reliability.
Ratings & Reviews
4.7
15 Reviews
Customers consistently praise our product for its high quality, dependability, and cost-effectiveness. The product's usability and strength are highlighted, particularly in high-pressure environments like racecar engines. Customers commend its practicality for budget bracket race engines, noting it is a good value for money. Several customers intent to repurchase, signifying satisfaction. Many highlight its good quality, making our product a preferred choice over competitors for its superior performance and reliability.
4.7
15 reviews
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13
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Most Liked Positive Review
5.0
very strong and dependable
I've been running this set of rings in my imca modified with 13:1 compression. I'm constantly running at 7500 rpms and these rings hold up perfectly. Don't over spend on piston rings, buy these rings, they're a safe bet.
Most Liked Negative Review
3.0
Yeah I would buy again
Overall good rings
Filter by Ratings
Good quallity rings
5.0
a year ago
11F
Whitmire sc.
Verified
Use them on keith black pistons that I put in A dirt track car. The rings didnt have to be filed they already had the correct cap.
Would Recommend
Where's the stickers?
5.0
a year ago
Nasty nates racing
Bandon oregon.
Verified
Absolutely love the rings I got and will order again, IF THEY STOP SKIMPING ON THE COOL STICKERS! lol love to sticker bomb the truck so next time throw some in!?
Would Recommend
Looks like a good set of rings
5.0
a year ago
Jim B.
Iowa
Verified
These look good, but I will have to file a little to get the piston manufacturers recommended gap. Make sure to check yours.
Would Recommend
yes
5.0
a year ago
Tater
Hamilton MT
Verified
IMCA modified
Would Recommend
Work great
5.0
a year ago
Kenny
Jacksonville arkansas
Verified
For price work great for racer on a budget
Would Recommend
I would definitely use again
5.0
2 years ago
Mickey
Grants Pass Oregon
Verified
I am very happy with it.
Would Recommend
I would buy this product again
5.0
2 years ago
Bob
Az
Verified
The rings installed perfect on KB pistons
Would Recommend
Wrong for 400!
2.0
5 years ago
Nboly
Colby Kansas
Verified
Wrong
Would Not Recommend
Yeah I would buy again
3.0
5 years ago
Kasp
Dallas Texas
Verified
Overall good rings
Would Recommend
I would buy this agian
5.0
6 years ago
Bear
Detroit mi.
Verified
I am satisfied with this product
Would Recommend
Showing 10 of 15 reviews
Questions & Answers
2 Questions • 2 Answers
Questions & Answers
2 Questions • 2 Answers
what is the OV bore mean on a stock 1969, chevy 350... i want to order rings but i can't till i come up with the OV bore. top and bottom rings are 5/64 and the other is 3/16.
by Bradley
• 4 years ago
1 answer
View Answer
Do these rings need to be gaped? If so what is the recommended gap?
by Steve
• 11 years ago
1 answer
View Answer
2 of 2 questions shown

