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Enginetech P5066(8).50 Engine Piston Set Without Rings for Lincoln Vehicles
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- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
The Enginetech P5066(8).50 engine piston set is designed for high-performance rebuilds and repairs of select Lincoln models, including Navigator and Aviator years from 1999 through 2005. Engine rebuilding professionals will appreciate the precision engineering, matched weights, and high-quality materials that ensure optimal engine balance and performance. This piston set is specifically crafted to match OEM specifications, providing a reliable fit and long-lasting durability for your engine rebuild project. Each piston is engineered to deliver consistent compression and power output, making it an excellent choice for restoring engine efficiency and performance. The set does not include rings, allowing for customization based on your specific needs or existing components. The piston features a bore diameter of 3.551 inches and a compression height of 1.211 inches, ensuring compatibility with the targeted Lincoln engines. The piston pin outside diameter measures 0.8661 inches, facilitating a secure fit with your engine's connecting rods. Top and second compression rings are 1.50 mm thick, while the oil ring is 3.00 mm thick, offering optimal sealing and oil control. These features contribute to reduced blow-by and improved engine longevity. Engine rebuilders and automotive professionals will find that this piston set simplifies installation and provides dependable performance, backed by Enginetech’s reputation for quality and customer service. Whether restoring a classic Lincoln or upgrading an existing engine, this piston set is an essential component for achieving factory-level performance and reliability.
Features:
- Matched weights for perfect engine balance
- Top compression ring thickness: 1.50 mm
- Second compression ring thickness: 1.50 mm
- Oil ring thickness: 3.00 mm
- Piston pin outside diameter: 0.8661 inches
- Bore diameter: 3.551 inches
- Compression height: 1.211 inches
- Engine compatible with Lincoln Navigator and Aviator models from 1999 to 2005
Fits Following Models:
1999 Lincoln Navigator
2000 Lincoln Navigator
2001 Lincoln Navigator
2002 Lincoln Blackwood
2002 Lincoln Navigator
2003 Lincoln Aviator
2003 Lincoln Navigator
2004 Lincoln Aviator
2004 Lincoln Navigator
2005 Lincoln Aviator
| Top Compression Ring Thickness: 1.50 mm |
| Second Compression Ring Thickness: 1.50 mm |
| Oil Ring Thickness: 3.00 mm |
| Piston Pin Outside Diameter: 0.8661 |
| Bore Diameter: 3.551 |
| Compression Height: 1.211 |
| Aaiaid Part Number: BBPTP5066(8).50 |
| Part Number: P5066(8).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.









