FAST DELIVERY
Enginetech M89166-.50 Engine Premium Piston Ring Set for Select Isuzu and Buick Models
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
The Enginetech M89166-.50 Engine Premium Piston Ring Complete Set is designed to deliver reliable performance and exceptional durability for a range of vehicles. Crafted specifically for engine rebuilders, this set includes essential piston rings that meet SAE guidelines for consistent end gaps, ensuring optimal engine efficiency and longevity. The set features top and second compression rings with a thickness of 1.50 mm, along with a 4.00 mm oil ring, all engineered to fit precisely and maintain proper sealing and compression. The outside diameter of the rings measures 3.504 inches, making this set suitable for various applications across multiple engine models. Enginetech's commitment to quality ensures that each component is manufactured to the highest standards, providing a dependable solution for professional engine rebuild projects.
Features:
- Top Compression Ring Thickness: 1.50 mm for effective sealing and compression.
- Second Compression Ring Thickness: 1.50 mm to maintain optimal cylinder sealing.
- Oil Ring Thickness: 4.00 mm designed for efficient oil control and lubrication.
- Ring Outside Diameter: 3.504 inches ensures precise fit for compatible engines.
- Engineered for compatibility with select Isuzu and Buick models from the early 1990s and late 1980s.
Fits Following Models:
1987 Buick Century
1987 Cadillac Cimarron
1987 Chevrolet Beretta
1987 Chevrolet Camaro
1987 Chevrolet Cavalier
1987 Chevrolet Celebrity
1987 Chevrolet Corsica
1987 Oldsmobile Cutlass Ciera
1987 Oldsmobile Cutlass Cruiser
1987 Oldsmobile Firenza
1987 Pontiac 6000
1987 Pontiac Fiero
1987 Pontiac Firebird
1988 Buick Century
1988 Buick Regal
1988 Cadillac Cimarron
1988 Chevrolet Camaro
1988 Chevrolet Cavalier
1988 Chevrolet Celebrity
1988 Chevrolet Corsica
1988 Oldsmobile Cutlass Ciera
1988 Oldsmobile Cutlass Cruiser
1988 Oldsmobile Cutlass Supreme
1988 Pontiac 6000
1988 Pontiac Fiero
1988 Pontiac Firebird
1988 Pontiac Grand Prix
1989 Buick Century
1989 Buick Regal
1989 Chevrolet Camaro
1989 Chevrolet Cavalier
1989 Chevrolet Celebrity
1989 Chevrolet Corsica
1989 Oldsmobile Cutlass Ciera
1989 Oldsmobile Cutlass Cruiser
1989 Oldsmobile Cutlass Supreme
1989 Pontiac 6000
1989 Pontiac Firebird
1989 Pontiac Grand Prix
1990 Chevrolet Beretta
1990 Chevrolet Cavalier
1990 Chevrolet Celebrity
1990 Chevrolet Lumina
1990 Chevrolet Lumina APV
1990 Oldsmobile Silhouette
1990 Pontiac 6000
1990 Pontiac Firebird
1990 Pontiac Grand Prix
1990 Pontiac Trans Sport
1991 Chevrolet Beretta
1991 Chevrolet Cavalier
1991 Chevrolet Lumina
1991 Chevrolet Lumina APV
1991 Isuzu Pickup
1991 Isuzu Rodeo
1991 Oldsmobile Silhouette
1991 Pontiac 6000
1991 Pontiac Firebird
1991 Pontiac Grand Prix
1991 Pontiac Sunbird
1991 Pontiac Trans Sport
1992 Chevrolet Beretta
1992 Chevrolet Cavalier
1992 Chevrolet Lumina
1992 Chevrolet Lumina APV
1992 Isuzu Pickup
1992 Isuzu Rodeo
1992 Oldsmobile Silhouette
1992 Pontiac Firebird
1992 Pontiac Grand Prix
1992 Pontiac Sunbird
1992 Pontiac Trans Sport
1993 Chevrolet Beretta
1993 Chevrolet Cavalier
1993 Chevrolet Lumina
1993 Chevrolet Lumina APV
1993 Isuzu Pickup
1993 Oldsmobile Silhouette
1993 Pontiac Grand Prix
1993 Pontiac Sunbird
1993 Pontiac Trans Sport
1994 Buick Century
1994 Buick Skylark
1994 Chevrolet Beretta
1994 Chevrolet Cavalier
1994 Chevrolet Lumina
1994 Chevrolet Lumina APV
1994 Isuzu Pickup
1994 Oldsmobile Achieva
1994 Oldsmobile Cutlass Ciera
1994 Oldsmobile Cutlass Cruiser
1994 Oldsmobile Silhouette
1994 Pontiac Grand Am
1994 Pontiac Grand Prix
1994 Pontiac Sunbird
1994 Pontiac Trans Sport
1995 Buick Century
1995 Buick Skylark
1995 Chevrolet Beretta
1995 Chevrolet Lumina
1995 Chevrolet Lumina APV
1995 Chevrolet Monte Carlo
1995 Oldsmobile Achieva
1995 Oldsmobile Cutlass Ciera
1995 Pontiac Grand Am
1995 Pontiac Grand Prix
1995 Pontiac Trans Sport
| Top Compression Ring Thickness: 1.50 mm |
| Second Compression Ring Thickness: 1.50 mm |
| Oil Ring Thickness: 4.00 mm |
| Ring Outside Diameter: 3.504 |
| Aaiaid Part Number: BBPTM89166-.50 |
| Part Number: M89166-.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.









