FAST DELIVERY
Enginetech R89016-STD Engine Cast Iron Piston Ring Set for Isuzu, Jeep, Buick
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Upgrade your engine's performance with the Enginetech R89016-STD Engine Cast Iron Piston Ring Complete Set. Designed for precision and durability, this set features rings that are engineered to meet SAE guidelines for consistent end gaps, ensuring optimal sealing and engine efficiency. The top compression ring has a thickness of 1.50 mm, the second compression ring measures 2.00 mm, and the oil ring is 4.75 mm thick, providing a balanced combination for reliable engine operation. With an outside diameter of 3.504 inches, these rings are suitable for a variety of mid-1980s and early 1990s engines, including models from Isuzu, Jeep, and Buick. Whether you're restoring an engine or performing routine maintenance, this complete set offers a high-quality solution to maintain compression and reduce oil consumption. Enginetech has been a family-owned leader in engine parts since 1982, dedicated to providing products specifically designed for engine rebuilders and enthusiasts alike. Our parts undergo strict quality control to ensure they meet or exceed OE specifications, delivering dependable performance and longevity. Trusted by professionals nationwide, Enginetech's comprehensive product lineup and exceptional customer service make us the go-to source for engine rebuilding needs. This piston ring set is easy to install and designed for a perfect fit, helping you restore your engine's power and efficiency with confidence.
Features:
- Consistent end gaps following SAE guidelines for reliable sealing
- Top compression ring thickness: 1.50 mm
- Second compression ring thickness: 2.00 mm
- Oil ring thickness: 4.75 mm
- Ring outside diameter: 3.504 inches
- Engine compatible with 1981-1991 models from Isuzu, Jeep, and Buick
Fits Following Models:
1981 Buick Skylark
1981 Chevrolet Citation
1981 Pontiac Phoenix
1982 Buick Skylark
1982 Chevrolet Celebrity
1982 Chevrolet Citation
1982 Chevrolet S10
1982 GMC S15
1982 Pontiac 6000
1982 Pontiac Phoenix
1983 Buick Skylark
1983 Chevrolet Celebrity
1983 Chevrolet Citation
1983 Chevrolet S10
1983 Chevrolet S10 Blazer
1983 GMC S15
1983 GMC S15 Jimmy
1983 Pontiac 6000
1983 Pontiac Phoenix
1984 Buick Skylark
1984 Chevrolet Celebrity
1984 Chevrolet Citation II
1984 Chevrolet S10
1984 Chevrolet S10 Blazer
1984 GMC S15
1984 GMC S15 Jimmy
1984 Jeep Cherokee
1984 Jeep Wagoneer
1984 Pontiac 6000
1984 Pontiac Phoenix
1985 Jeep Cherokee
1985 Jeep Wagoneer
1989 Isuzu Trooper
1990 Isuzu Trooper
1991 Isuzu Trooper
| Top Compression Ring Thickness: 1.50 mm |
| Second Compression Ring Thickness: 2.00 mm |
| Oil Ring Thickness: 4.75 mm |
| Ring Outside Diameter: 3.504 |
| Aaiaid Part Number: BBPTR89016-STD |
| Part Number: R89016-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.









