Replacement cast piston rings for 4" bore applications, Premium cast iron construction for superior strength and durability, For .040 oversizes, Top ring thickness 5/64", second ring thickness 5/64", oil ring thickness 3/16", Applications: 1953-1956 Buick 322, 1956-1963 Cadillac 365/390, 1957-1958 Chrysler 392 and 1957-1960 Oldsmobile 371
4 Bore Piston Ring Set, .040 OS, Buick/Caddy/Chrysler/Oldsmobile Speedway Motors
4 Bore Piston Ring Set, .040 OS, Buick/Caddy/Chrysler/Oldsmobile
Sku # 910139-040
Mfr. Part # 910139-040
Condition
New
Brand
Speedway Motors
Sold
Set
Details
Info

Replacement cast piston rings for 4" bore applications. Available in .030, .040 and .060 oversizes.

(2) 5/64" and (1) 3/16".

Item Details

1953-56 Buick 322
1956-63 Cadillac 365/390
1957-58 Chrysler 392
1957-60 Oldsmobile 371
Specs
Sold in Quantity
Set
Piston Ring Style
A
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
4.040
MFG. Part #
910139-040
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 72 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.