FAST DELIVERY
Enginetech R38858-STD Engine Cast Iron Piston Ring Complete Set for Domestic and Import Engines
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
The Enginetech R38858-STD Engine Cast Iron Piston Ring Complete Set is designed to provide reliable sealing and optimal performance for a wide range of engines. Crafted with precision, these piston rings feature consistent end gaps following SAE guidelines, ensuring proper fitment and longevity. The set includes top and second compression rings, each with a thickness of 5/64 inch, along with a 3/16 inch oil ring, making it an ideal choice for rebuilds and upgrades.
Engineered specifically for the engine rebuilder, Enginetech's piston rings are manufactured to high standards to meet the demands of both import and domestic engines. The outside diameter of 3.875 inches ensures a precise fit, contributing to improved compression, reduced oil consumption, and enhanced engine efficiency. These rings are suitable for various applications where dependable performance is essential, and they are compatible with a broad spectrum of engine types.
With a commitment to quality and customer satisfaction, Enginetech offers a complete line of engine components backed by extensive industry experience. Whether you're restoring an older engine or building a new one from scratch, the R38858-STD set provides the durability and performance needed for a successful rebuild. Trust in Enginetech for high-quality parts that meet or exceed industry standards, ensuring your engine runs smoothly and efficiently for miles to come.
Features:
- Top Compression Ring Thickness: 5/64 inch for reliable sealing
- Second Compression Ring Thickness: 5/64 inch for optimal compression
- Oil Ring Thickness: 3/16 inch to control oil consumption
- Ring Outside Diameter: 3.875 inches for precise fitment
- Engineered specifically for use in a variety of import and domestic engines
- Consistent end gaps following SAE guidelines for proper engine performance
- Manufactured with high-quality cast iron for durability and longevity
- Ideal for engine rebuilds, restorations, and performance upgrades
- Part of Enginetech's comprehensive line of engine components designed for professional rebuilders
| Top Compression Ring Thickness: 5/64 in |
| Second Compression Ring Thickness: 5/64 in |
| Oil Ring Thickness: 3/16 in |
| Ring Outside Diameter: 3.875 |
| Aaiaid Part Number: BBPTR38858-STD |
| Part Number: R38858-STD |
| Brand Aaia: BBPT |
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.









