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Enginetech M41558-030 Engine Premium Piston Ring Complete Set for Pontiac Models
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Since 1982, Enginetech has been a trusted family-owned provider of high-quality engine parts designed for engine rebuilders and automotive enthusiasts. The M41558-030 Engine Premium Piston Ring Complete Set is engineered specifically to meet the demanding requirements of classic Pontiac engines, ensuring reliable performance and proper sealing. This comprehensive set includes all necessary piston rings with consistent end gaps following SAE guidelines, making it ideal for restoring engines to their optimal condition. The set features top compression rings with a thickness of 5/64 inch, second compression rings at 1/16 inch, and oil rings measuring 3/16 inch thick, all designed to fit engines with an outside diameter of 4.150 inches. These specifications guarantee precise fitment and effective sealing, which are critical for maintaining compression and oil control within your engine.
Engine rebuilders and automotive professionals appreciate the durability and precision of Enginetech parts, which are engineered for longevity and optimal engine performance. The M41558-030 set is compatible with a range of Pontiac models from the early 1970s, including the Pontiac Bonneville, Catalina, and Executive, making it a versatile choice for restoration projects. Whether you're working on a classic muscle car or restoring a vintage cruiser, this piston ring set offers the quality and reliability that meet or exceed industry standards. Trust Enginetech to deliver parts that help you achieve a professional-level rebuild with confidence.
Each component in the set is designed for easy installation and long-lasting performance, supporting your efforts to restore engine power and efficiency. With nationwide distribution and dedicated customer service, Enginetech ensures you receive the right parts for your project, backed by decades of experience in the engine building industry. Choose the Enginetech M41558-030 piston ring set for your Pontiac engine rebuild and experience the difference that quality, precision, and craftsmanship can make.
Features:
- Consistent end gaps following SAE guidelines for reliable sealing
- Top compression ring thickness: 5/64 inch for optimal compression
- Second compression ring thickness: 1/16 inch for effective sealing
- Oil ring thickness: 3/16 inch for efficient oil control
- Ring outside diameter: 4.150 inches to fit specific Pontiac models
- Engineered specifically for Pontiac engines from 1970 to 1974
- Compatible with Pontiac Bonneville, Catalina, and Executive models
- Designed for easy installation and long-lasting performance
- Part of Enginetech's high-quality engine rebuild components
Fits Following Models:
1970 Pontiac Bonneville
1970 Pontiac Catalina
1970 Pontiac Executive
1970 Pontiac Grand Prix
1970 Pontiac GTO
1970 Pontiac LeMans
1971 Pontiac Bonneville
1971 Pontiac Catalina
1971 Pontiac Firebird
1971 Pontiac Grand Prix
1971 Pontiac Grand Safari
1971 Pontiac Grandville
1971 Pontiac GTO
1971 Pontiac LeMans
1972 Pontiac Bonneville
1972 Pontiac Catalina
1972 Pontiac Firebird
1972 Pontiac Grand Prix
1972 Pontiac Grand Safari
1972 Pontiac Grandville
1972 Pontiac GTO
1972 Pontiac LeMans
1973 Pontiac Bonneville
1973 Pontiac Catalina
1973 Pontiac Firebird
1973 Pontiac Grand Am
1973 Pontiac Grand Prix
1973 Pontiac Grand Safari
1973 Pontiac Grandville
1973 Pontiac GTO
1973 Pontiac LeMans
1974 Pontiac Bonneville
1974 Pontiac Catalina
1974 Pontiac Firebird
1974 Pontiac Grand Am
1974 Pontiac Grand Prix
1974 Pontiac Grand Safari
1974 Pontiac Grandville
1974 Pontiac LeMans
1975 Pontiac Bonneville
1975 Pontiac Catalina
1975 Pontiac Firebird
1975 Pontiac Grand Prix
1976 Pontiac Bonneville
1976 Pontiac Catalina
1976 Pontiac Firebird
1976 Pontiac Grand Prix
1976 Pontiac LeMans
| Top Compression Ring Thickness: 5/64 |
| Second Compression Ring Thickness: 1/16 |
| Oil Ring Thickness: 3/16 |
| Ring Outside Diameter: 4.150 |
| Aaiaid Part Number: BBPTM41558-030 |
| Part Number: M41558-030 |
| 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.









