The Enginetech M40558-040 Engine Premium Piston Ring Complete Set offers high-quality components designed to restore engine performance and longevity. Engineered specifically for engine rebuilders, these piston rings meet strict SAE guidelines to ensure precise fit and optimal function. The set includes top compression rings with a thickness of 5/64 inch, second compression rings measuring 3/32 inch, and oil rings at 3/16 inch, all crafted to deliver reliable sealing and compression. With an outside diameter of approximately 4.050 inches, these rings are compatible with a variety of domestic and import engines, making them a versatile choice for professional rebuilds and maintenance. Enginetech has been family-owned and operated since 1982, providing a comprehensive range of engine parts that meet demanding quality standards. The M40558-040 set is designed to fit seamlessly into your engine assembly, ensuring proper sealing and compression without compromising engine efficiency. Whether you are working on a rebuild project or replacing worn piston rings, this complete set provides the durability and performance needed to keep your engine running smoothly. Our piston rings are manufactured to exact specifications, ensuring consistent end gaps and reliable operation. The set is ideal for engine rebuilders seeking high-performance, durable components that match OEM standards. Trust Enginetech’s reputation for quality and customer service to support your engine repair needs with components that are engineered for precision and long-lasting performance.
Features:
Top Compression Ring Thickness: 5/64 inch for effective sealing
Second Compression Ring Thickness: 3/32 inch to maintain compression
Oil Ring Thickness: 3/16 inch for optimal oil control
Ring Outside Diameter: 4.050 inches to fit compatible engine models
Engineered for precision and durability in engine rebuilds
Designed to meet SAE guidelines for consistent end gaps
Suitable for both domestic and import engines
Complete set includes all necessary piston rings for a full rebuild
Features:
Top Compression Ring Thickness: 5/64 in
Second Compression Ring Thickness: 3/32 in
Oil Ring Thickness: 3/16 in
Ring Outside Diameter: 4.050
Aaiaid Part Number: BBPTM40558-040
Part Number: M40558-040
Brand Aaia: BBPT
Performance Part offers a Limited Warranty to entire products to be free from defects in workmanship and material under normal service conditions for a period of 90 days whichever occurs from the original date of delivery of the good.
The warranty is not transferable, is valid to the original purchaser, and is limited to the replacement of defective products only.
This Limited Warranty does not cover labor, damage from accidents, alterations, misuse, or modifications not intended by the manufacturer, and other expenses such as towing loading fluids, oils, or car rentals.
All warranty claims must be pre-authorized and returned prepaid to Performance Part for inspection and approval.
No exchanges will be made for any product that has been damaged, misused, or improperly installed. We always recommend professional installation of our products.
The buyer assumes the risk of damage caused by improper installation.
All disputes arising from the transaction shall be resolved by a court of competent jurisdiction within Los Angeles County, California.
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