Speedway Moly Piston Rings, 4.00 Bore, Style A

#9152510

Speedway Moly Piston Rings, 4.00 Bore, Style A

Name: Speedway Moly Piston Rings, 4.00 Bore, Style A
Brand: Speedway Motors
SKU: 9152510
Rating: 4.7 (15 reviews)

15 Reviews

2 Questions

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

Ov.bore:

Select a ov.bore

Starting from

$79.99

/set

In Stock

Quantity

Need Help? Call to Order

Add to a list

Select a vehicle to verify Fitment

Select Vehicle

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"

See more details

Key Specs

MFG. Part #	Select Ov.bore
Brand	Speedway Motors
Piston Ring Style	A
Piston Ring Diameter	Select Ov.bore

See more specs

Need To Know

Need help?

855.313.9176

View the Help Center

Quick and Easy Returns

Return Policy

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

Piston Rings Technical Information (9152510)

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

WARNING:

Cancer and Reproductive Harm – www.P65Warnings.ca.gov

CARB warning

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

Overall Assessment

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.

Write A Review

4.7

15 reviews

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

Sort Reviews

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

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

Load More Reviews

Showing 10 of 15 reviews

Questions & Answers

2 Questions • 2 Answers

Sort Questions

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