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Engine Premium Piston Ring Complete Set
The Enginetech S86254-.50 Premium Piston Ring Complete Set is designed to restore optimal engine performance for Toyota RAV4 models from 1998 to 2000. Crafted with precision, these piston rings ensure a reliable seal within the combustion chamber, helping to maintain compression and reduce oil consumption. This comprehensive set includes all necessary rings to facilitate a complete engine rebuild or repair, making it an essential choice for professional engine builders and enthusiasts alike. Engineered to meet or exceed OEM standards, these rings contribute to the longevity and efficiency of your engine by providing consistent end gaps following SAE guidelines. The set features top and second compression rings with a thickness of 1.20 mm each and an oil ring with a 3.00 mm thickness, all designed for optimal fit and performance. The outside diameter of the rings is 3.380 inches, ensuring a precise fit within the engine's cylinder bores. These high-quality components are built to withstand the rigors of daily driving and demanding engine conditions, offering a durable and dependable solution for your engine repair needs. With Enginetech’s commitment to quality and customer satisfaction, this piston ring set is a dependable choice for restoring your Toyota RAV4’s power and efficiency.
Features:
- Top Compression Ring Thickness: 1.20 mm for reliable sealing
- Second Compression Ring Thickness: 1.20 mm for optimal compression
- Oil Ring Thickness: 3.00 mm to control oil consumption
- Ring Outside Diameter: 3.380 inches for precise fit
- Engineered for consistent end gaps following SAE guidelines
- Designed for 1998-2000 Toyota RAV4 models
- High-quality materials for durability and longevity
- Complete set includes all necessary piston rings for a full rebuild
Fits Following Models:
1998 Toyota RAV4
1999 Toyota RAV4
2000 Toyota RAV4
| Top Compression Ring Thickness: 1.20 mm |
| Second Compression Ring Thickness: 1.20 mm |
| Oil Ring Thickness: 3.00 mm |
| Ring Outside Diameter: 3.380 |
| Aaiaid Part Number: BBPTS86254-.50 |
| Part Number: S86254-.50 |
| 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.









