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Enginetech S96904-STD Engine Premium Piston Ring Complete Set for Subaru Vehicles
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
The Enginetech S96904-STD Engine Premium Piston Ring Complete Set is designed to deliver reliable performance and precise engine sealing for a variety of Subaru models, including Impreza and Legacy years from 1990 to 2001. Crafted with high-quality materials, this complete set ensures optimal engine efficiency and longevity. The set includes top compression rings, second compression rings, and oil rings, all engineered to meet or exceed SAE standards for consistent end gaps and durability. The piston rings feature a ring outside diameter of approximately 3.815 inches, with a top compression ring thickness of 1.20 mm, a second compression ring thickness of 1.50 mm, and an oil ring thickness of 3.00 mm, providing a perfect fit for compatible engines.
Engine rebuilders and automotive professionals will appreciate the precision manufacturing and quality assurance that Enginetech is known for. This piston ring set is specifically designed for engines requiring high-performance sealing solutions, ensuring minimal blow-by and efficient oil control. Whether restoring a classic Subaru or maintaining a modern engine, this set offers a cost-effective solution to restore engine power and efficiency. The comprehensive nature of the set simplifies installation and provides peace of mind with its reliable specifications and consistent manufacturing standards.
Manufactured by Enginetech, a family-owned company since 1982, this piston ring set embodies a commitment to quality, customer service, and technical excellence. Suitable for engines within the specified fitment range, it is an essential component for engine rebuild projects aiming for high performance and durability. Trust Enginetech's expertise for your engine rebuilding needs and ensure your Subaru runs smoothly for miles to come.
Features:
- Consistent end gaps following SAE guidelines for reliable engine sealing
- Top compression ring thickness: 1.20 mm for optimal compression
- Second compression ring thickness: 1.50 mm for efficient oil control
- Oil ring thickness: 3.00 mm to minimize oil consumption
- Ring outside diameter: approximately 3.815 inches for precise fit
- Complete set includes all necessary piston rings for full engine rebuild
Fits Following Models:
1990 Subaru Legacy
1991 Subaru Legacy
1992 Subaru Legacy
1993 Subaru Legacy
1994 Subaru Legacy
1995 Subaru Impreza
1995 Subaru Legacy
1996 Subaru Impreza
1996 Subaru Legacy
1997 Subaru Impreza
1997 Subaru Legacy
1998 Subaru Impreza
1998 Subaru Legacy
1999 Subaru Impreza
1999 Subaru Legacy
2000 Subaru Impreza
2001 Subaru Impreza
| Top Compression Ring Thickness: 1.20 mm |
| Second Compression Ring Thickness: 1.50 mm |
| Oil Ring Thickness: 3.00 mm |
| Ring Outside Diameter: 3.815 |
| Aaiaid Part Number: BBPTS96904-STD |
| Part Number: S96904-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.









