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Enginetech P1596(8)030 Engine Piston Set Without Rings for 1977-1979 Pontiac and Buick Models
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
The Enginetech P1596(8)030 engine piston set is a high-quality replacement component designed for select 1977-1979 Pontiac and Buick vehicles. Crafted with precision, this piston set ensures optimal engine performance and durability, making it an essential part for engine rebuilds and repairs. Engineered specifically for rebuilder applications, this set includes matched weights for balanced operation and features top, second compression, and oil ring specifications that adhere to industry standards. The set's bore diameter of 4.351 inches and compression height of 1.595 inches provide a perfect fit for compatible engines, contributing to efficient compression and power output. The piston pin outside diameter of 0.9805 inches guarantees a secure fit within the piston assembly, promoting reliable operation over time. Whether restoring a classic vehicle or performing routine engine maintenance, this piston set delivers the quality and performance expected from Enginetech, a trusted name in engine parts since 1982. Compatibility includes popular models such as the Pontiac Grand Safari, Buick Century, Electra, Estate Wagon, and LeSabre from the late 1970s, ensuring a precise fit for your restoration or repair project. Designed without rings, this set offers flexibility for users to select their preferred ring sets or reuse existing rings, streamlining installation and customization options. Built with attention to detail and with a focus on engine longevity, the Enginetech P1596(8)030 piston set is a reliable choice for professional mechanics and DIY enthusiasts alike.
Features:
- Matched weights for perfect balance
- Top Compression Ring Thickness: 5/64 in
- Second Compression Ring Thickness: 5/64 in
- Oil Ring Thickness: 3/16 in
- Piston Pin Outside Diameter: 0.9805 in
- Bore Diameter: 4.351 in
- Compression Height: 1.595 in
- Engine rebuild compatible with 1977-1979 Pontiac and Buick models
Fits Following Models:
1977 Buick Century
1977 Buick Electra
1977 Buick Estate Wagon
1977 Buick LeSabre
1977 Buick Riviera
1977 Oldsmobile 98
1977 Oldsmobile Custom Cruiser
1977 Oldsmobile Cutlass
1977 Oldsmobile Cutlass Salon
1977 Oldsmobile Cutlass Supreme
1977 Oldsmobile Delta 88
1977 Oldsmobile Toronado
1977 Pontiac Bonneville
1977 Pontiac Catalina
1977 Pontiac Firebird
1977 Pontiac Grand LeMans
1977 Pontiac Grand Prix
1977 Pontiac Grand Safari
1977 Pontiac LeMans
1978 Buick Electra
1978 Buick Estate Wagon
1978 Buick LeSabre
1978 Buick Riviera
1978 Oldsmobile 98
1978 Oldsmobile Custom Cruiser
1978 Oldsmobile Delta 88
1978 Oldsmobile Toronado
1978 Pontiac Bonneville
1978 Pontiac Catalina
1978 Pontiac Firebird
1978 Pontiac Grand Safari
1979 Buick Electra
1979 Buick Estate Wagon
1979 Oldsmobile 98
1979 Oldsmobile Custom Cruiser
1979 Oldsmobile Delta 88
1979 Pontiac Bonneville
1979 Pontiac Catalina
1979 Pontiac Firebird
| Top Compression Ring Thickness: 5/64 in |
| Second Compression Ring Thickness: 5/64 in |
| Oil Ring Thickness: 3/16 in |
| Piston Pin Outside Diameter: 0.9805 |
| Bore Diameter: 4.351 |
| Compression Height: 1.595 |
| Aaiaid Part Number: BBPTP1596(8)030 |
| Part Number: P1596(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.









