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Enginetech R40958-030 Engine Cast Iron Piston Ring Set for Classic Chevrolet Models
100% ORIGINAL AND QUALITY
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- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Cast Iron Piston Ring Complete Set
Designed for reliable performance in vintage Chevrolet vehicles, the Enginetech R40958-030 engine cast iron piston ring set provides essential sealing for optimal engine operation. Crafted with precision, these piston rings ensure consistent end gaps following SAE guidelines, promoting efficient compression and oil control. The set includes top and second compression rings with a thickness of 5/64 inch and an oil ring measuring 3/16 inch, all manufactured to exact specifications for a perfect fit. The outside diameter of 4.094 inches guarantees compatibility with a variety of classic Chevrolet engines, making this set an ideal choice for rebuild projects or engine restoration endeavors.
Enginetech has been a family-owned and operated business since 1982, specializing in high-quality engine parts engineered specifically for engine rebuilders. Their comprehensive product line covers both import and domestic engines, providing solutions for nearly every engine type. The R40958-030 set is part of their extensive offering designed to deliver durability, precision, and performance in vintage Chevrolet applications. Whether restoring a Chevrolet Bel Air, Biscayne, or Estate, this piston ring set offers the reliability and quality synonymous with Enginetech's reputation.
Each component in the set is engineered to meet stringent standards, ensuring proper sealing, reduced oil consumption, and enhanced engine longevity. The rings are designed for easy installation and optimal function within the engine's cylinder bore. By choosing Enginetech, you benefit from a trusted name in engine parts, backed by nationwide distribution and dedicated customer service. This piston ring set is an excellent investment for professional rebuilders and DIY enthusiasts committed to restoring classic Chevrolet engines to their peak performance.
Features:
- Consistent end gaps following SAE guidelines for reliable sealing
- Top and second compression rings each with a thickness of 5/64 inch
- Oil ring with a thickness of 3/16 inch for effective oil control
- Outside diameter of 4.094 inches for precise fit in select Chevrolet engines
- Engineered specifically for vintage Chevrolet models including Bel Air, Biscayne, and Estate
Fits Following Models:
1963 Pontiac Bonneville
1963 Pontiac Catalina
1963 Pontiac Grand Prix
1963 Pontiac Star Chief
1964 Pontiac Bonneville
1964 Pontiac Catalina
1964 Pontiac Grand Prix
1964 Pontiac Star Chief
1965 Chevrolet Bel Air
1965 Chevrolet Biscayne
1965 Chevrolet Chevelle
1965 Chevrolet Corvette
1965 Chevrolet Impala
1965 Chevrolet Malibu
1965 Pontiac Bonneville
1965 Pontiac Catalina
1965 Pontiac Grand Prix
1965 Pontiac Star Chief
1966 Chevrolet Bel Air
1966 Chevrolet Biscayne
1966 Chevrolet Caprice
1966 Chevrolet Chevelle
1966 Chevrolet Impala
1966 Chevrolet Malibu
1966 Pontiac Bonneville
1966 Pontiac Catalina
1966 Pontiac Grand Prix
1966 Pontiac Star Chief
1967 Chevrolet Bel Air
1967 Chevrolet Biscayne
1967 Chevrolet Camaro
1967 Chevrolet Caprice
1967 Chevrolet Chevelle
1967 Chevrolet Impala
1967 Chevrolet Malibu
1968 Chevrolet Bel Air
1968 Chevrolet Biscayne
1968 Chevrolet C10 Pickup
1968 Chevrolet C10 Suburban
1968 Chevrolet C20 Pickup
1968 Chevrolet C20 Suburban
1968 Chevrolet C30 Pickup
1968 Chevrolet Camaro
1968 Chevrolet Caprice
1968 Chevrolet Chevelle
1968 Chevrolet Chevy II
1968 Chevrolet El Camino
1968 Chevrolet Impala
1968 Chevrolet K10 Pickup
1968 Chevrolet K10 Suburban
1968 Chevrolet K20 Pickup
1968 Chevrolet K20 Suburban
1968 Chevrolet K30 Pickup
1968 GMC C15/C1500 Pickup
1968 GMC C15/C1500 Suburban
1968 GMC C25/C2500 Pickup
1968 GMC C25/C2500 Suburban
1968 GMC C35/C3500 Pickup
1968 GMC K15/K1500 Pickup
1968 GMC K15/K1500 Suburban
1968 GMC K25/K2500 Pickup
1968 GMC K25/K2500 Suburban
1968 GMC K35/K3500 Pickup
1968 Pontiac Acadian
1969 Chevrolet Bel Air
1969 Chevrolet Biscayne
1969 Chevrolet Brookwood
1969 Chevrolet C10 Pickup
1969 Chevrolet C10 Suburban
1969 Chevrolet C20 Pickup
1969 Chevrolet C20 Suburban
1969 Chevrolet C30 Pickup
1969 Chevrolet Camaro
1969 Chevrolet Caprice
1969 Chevrolet Chevelle
1969 Chevrolet El Camino
1969 Chevrolet Estate
1969 Chevrolet Impala
1969 Chevrolet K10 Pickup
1969 Chevrolet K10 Suburban
1969 Chevrolet K20 Pickup
1969 Chevrolet K20 Suburban
1969 Chevrolet K30 Pickup
1969 Chevrolet Kingswood
1969 Chevrolet Nova
1969 Chevrolet Townsman
1969 GMC C15/C1500 Pickup
1969 GMC C15/C1500 Suburban
1969 GMC C25/C2500 Pickup
1969 GMC C25/C2500 Suburban
1969 GMC C35/C3500 Pickup
1969 GMC K15/K1500 Pickup
1969 GMC K15/K1500 Suburban
1969 GMC K25/K2500 Pickup
1969 GMC K25/K2500 Suburban
1969 GMC K35/K3500 Pickup
1969 Pontiac Acadian
| Top Compression Ring Thickness: 5/64 in |
| Second Compression Ring Thickness: 5/64 in |
| Oil Ring Thickness: 3/16 in |
| Ring Outside Diameter: 4.094 |
| Aaiaid Part Number: BBPTR40958-030 |
| Part Number: R40958-030 |
| 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.









