FAST DELIVERY
Enginetech Piston Set Without Rings - Model P5017(8)040 for 4-Inch Bore Engines
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
The Enginetech Piston Set P5017(8)040 is designed for high-performance engine rebuilds, offering precision-engineered components for reliable operation. This piston set is ideal for engines with a 4-inch bore diameter, ensuring proper fit and optimal performance. Crafted with matched weights, these pistons provide excellent balance, reducing vibration and wear for longer engine life. The set includes pistons with a compression height of 1.540 inches, tailored to meet the specifications of various domestic and import engines. Engine builders and enthusiasts can trust Enginetech’s commitment to quality and durability for their rebuild projects.
Features:
- Top Compression Ring Thickness: 5/64 inch for efficient sealing and power output
- Second Compression Ring Thickness: 5/64 inch to maintain compression integrity
- Oil Ring Thickness: 3/16 inch for effective oil control and lubrication
- Piston Pin Outside Diameter: 0.9273 inches for precise fit and smooth operation
- Bore Diameter: 4.000 inches to match engine specifications
- Compression Height: 1.540 inches for proper piston positioning within the engine block
- Engineered specifically for engine rebuilder needs, ensuring compatibility and performance
- Part Number: P5017(8)040, crafted by Enginetech, a trusted name since 1982
| Top Compression Ring Thickness: 5/64 in |
| Second Compression Ring Thickness: 5/64 in |
| Oil Ring Thickness: 3/16 in |
| Piston Pin Outside Diameter: 0.9273 |
| Bore Diameter: 4.000 |
| Compression Height: 1.540 |
| Aaiaid Part Number: BBPTP5017(8)040 |
| Part Number: P5017(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.









