Description
These Piston Rings are a Style A ring, Fits 4.125" bore with 0.030" overbore, Not recommended for use with alcohol fuel, Can handle up to 12.5:1 max compression, Withstands 7000 max sustained RPM and up to 450hp 4.125 Bore Gas Proven A Piston Rings .030 Over Bore, Small Block Chevy Sku # 9152187-A-030 Mfr. Part # 9152187-A-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 A Piston Ring Design Conventional Top Ring Material Cast Iron Second Ring Material Cast Iron Top Ring Thickness 5/64" Second Ring Thickness 5/64" Oil Ring Thickness 3/16" Oil Ring Tension Standard Tension Piston Ring Diameter 4.155 MFG. Part # 9152187-A-030 Reviews I would buy again Rated by Paulie on July 03, 2017 Summary: Worked out great and a good price Yes, I recommend this product. Related Items / Suggested Parts Total Seal Piston Rings 4.125 plus over size 5/64X5/64X3/16 Total Seal CR0690 Piston Rings, 4.125 Plus Size, 1/16x1/16x3/16 Speedway Plasma Moly Piston Rings, 4.125 Bore, Style C Speedway Moly Piston Rings, 4.125 Bore, Style A 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.