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Enginetech P3028(8)040 Engine Piston Set Without Rings for 4.25-Inch Bore Engines
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
The Enginetech P3028(8)040 Engine Piston Set is designed for high-performance rebuilds and engine restorations. Crafted with precision, this piston set features matched weights to ensure optimal balance and smooth operation within your engine. The set includes pistons that are engineered to meet the demanding standards of both import and domestic engines, providing durability and reliable performance. With a bore diameter of 4.250 inches and a compression height of 2.160 inches, these pistons are suitable for a range of engine configurations.
Each piston in the set includes critical features such as a top compression ring thickness of 3/32 inch, a second compression ring thickness of 2 5/64 inch, and an oil ring thickness of 3/16 inch. The piston pin outside diameter measures 0.9898 inches, ensuring a perfect fit for your engine's connecting rods. Designed without rings, these pistons are ideal for custom builds where the rings are installed separately. Enginetech's commitment to quality ensures that these components are engineered specifically for engine rebuilders, offering consistent performance and longevity.
Whether you're restoring a classic engine or building a performance upgrade, the P3028(8)040 piston set provides the precision and reliability required for a successful rebuild. Trust Enginetech, a family-owned company with over 40 years of experience, for high-quality engine parts and outstanding customer service. This piston set is compatible with engines that require a bore of 4.25 inches and is designed to deliver the perfect fit and function for your project.
Features:
- Matched weights for perfect balance ensuring smooth engine operation
- Top compression ring thickness: 3/32 inch for optimal sealing
- Second compression ring thickness: 2 5/64 inch for efficient compression
- Oil ring thickness: 3/16 inch for effective oil control
- Piston pin outside diameter: 0.9898 inch for precise fit
- Bore diameter: 4.250 inches suitable for specific engine models
- Compression height: 2.160 inches for compatibility with various engine configurations
- Engine set designed without rings for custom installation
- Engine rebuilders' high-quality components engineered for durability
| Top Compression Ring Thickness: 3/32 in |
| Second Compression Ring Thickness: 2 5/64 in |
| Oil Ring Thickness: 3/16 in |
| Piston Pin Outside Diameter: 0.9898 |
| Bore Diameter: 4.250 |
| Compression Height: 2.160 |
| Aaiaid Part Number: BBPTP3028(8)040 |
| Part Number: P3028(8)040 |
| 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.









