4 Bore SBC Gas Proven C Piston Rings .030 Over Bore-Small Block Chevy
Sku # 9152271-C-030
Mfr. Part # 9152271-C-030
Condition
New
Brand
Speedway Motors
Sold
Set
Details
Info
Speedway Gas Proven piston rings are the best value in piston rings!
- These tough rings will withstand 12.5 maximum compression, 7000 maximum sustained RPM, and up to 450 HP
- First and second rings are cast iron yielding 55,000 psi strength with end gap factory set at .012" to .018"
- Three piece oil ring features chrome rails over a stainless steel expander, which gives uniform wall pressure and efficient oil control
- Designed for gasoline use. Not recommended for use with alcohol
Charts
(GIF)
(PDF)
Installation Tips
Speedway Piston Ring Hierarchy
- Good - Speedway Gas Proven Series
- Better -Speedway Moly
- Best - Speedway Plasma Moly
- Ultimate Race - Speedway Pro Series
Specs
Sold in Quantity
Set
Piston Ring Style
C
Piston Ring Design
Conventional
Top Ring Material
Cast Iron
Second Ring Material
Cast Iron
Top Ring Thickness
1/16"
Second Ring Thickness
1/16"
Oil Ring Thickness
3/16"
Oil Ring Tension
Standard Tension
Piston Ring Diameter
4.030
MFG. Part #
9152271-C-030
Top Ring Included
Yes
Second Ring Included
Yes
Oil Ring Included
Yes
Reviews
I will use them again
Rated 
by Scooter on October 27, 2020
Summary: There're work'n out so far.
Pros: They seemed to seal..
Yes, I recommend this product.
Great quality & will definitely be using it again
Rated by Nate on January 21, 2019
Summary: Used them in my 350 sbc, worked great and loved the organization in the packaging
Yes, I recommend this product.
Yes
Rated by Mick Jagger on October 19, 2018
Summary: Good strong rings good for 100 shot
Yes, I recommend this product.
Hesitant
Rated by Mick Jagger on October 01, 2018
Summary: Great parts
Yes, I recommend this product.
I would buy again
Rated by X9racer on March 27, 2018
Summary: Great rings for the money
Yes, I recommend this product.
Related Items / Suggested Parts
Tech Support
We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help.
About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 73 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
