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Enginetech P1558(8)030 Engine Piston Set Without Rings for 4.050 in Bore Engines
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- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
Designed for high-performance engine rebuilding, the Enginetech P1558(8)030 engine piston set provides reliable quality for various domestic and import engines. Crafted without rings, this piston set features matched weights to ensure proper balance and smooth operation, making it ideal for precision engine assembly. The set includes pistons with a bore diameter of 4.050 inches and a compression height of 2.120 inches, tailored for engines requiring these specifications. Manufactured by Enginetech, a family-owned company since 1982, this product benefits from decades of experience in delivering high-quality engine components for professional rebuilders and enthusiasts alike.
Each piston in the set is engineered with specific features to optimize engine performance and durability. The top compression ring has a thickness of 3/32 inches, while the second compression ring measures 5/64 inches, and the oil ring is 3/16 inches thick. The pistons are designed with a piston pin outside diameter of 1.0402 inches, ensuring proper fitment within the engine's connecting rods. These features contribute to efficient compression, reduced blow-by, and enhanced overall engine efficiency.
Enginetech's commitment to quality and customer satisfaction is reflected in their comprehensive product offerings and attention to detail. This piston set is suitable for a range of rebuild projects where precise specifications are critical for optimal engine longevity and performance. Whether you're restoring a classic vehicle or upgrading a modern engine, the P1558(8)030 set offers a dependable choice backed by Enginetech's reputation for excellence in engine parts manufacturing.
Features:
- Matched weights for perfect balance ensuring smooth engine operation
- Top compression ring thickness: 3/32 inches for optimal sealing
- Second compression ring thickness: 5/64 inches for improved compression
- Oil ring thickness: 3/16 inches for effective oil control
- Piston pin outside diameter: 1.0402 inches for precise fitment
- Bore diameter: 4.050 inches tailored for specific engine rebuilds
- Compression height: 2.120 inches designed for compatible engine models
- Engine piston set without rings for customization and installation flexibility
| Top Compression Ring Thickness: 3/32 in |
| Second Compression Ring Thickness: 5/64 in |
| Oil Ring Thickness: 3/16 in |
| Piston Pin Outside Diameter: 1.0402 |
| Bore Diameter: 4.050 |
| Compression Height: 2.120 |
| Aaiaid Part Number: BBPTP1558(8)030 |
| Part Number: P1558(8)030 |
| 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.









