FAST DELIVERY
Enginetech HB135 Engine Head Bolt Set for Buick and Oldsmobile 1986-1988
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Head Bolt Set- For One Cylinder
The Enginetech HB135 engine head bolt set is specifically designed for one-cylinder applications in various Buick and Oldsmobile models from 1986 to 1988. Crafted for durability and precision, these head bolts ensure a secure and reliable fit during engine assembly or repair. Engineered for high performance, the HB135 set is ideal for rebuilders and mechanics seeking quality components that meet OEM standards.
The set includes high-grade bolts that resist stretching and corrosion, maintaining proper head seal and compression over time. Each bolt is manufactured with strict tolerances to guarantee proper thread engagement and consistent torque values. The packaging is designed for easy handling and identification, simplifying the ordering process for engine rebuild projects.
Whether restoring a classic Buick or maintaining an Oldsmobile, the Enginetech HB135 head bolt set provides a dependable solution for your engine rebuild or maintenance needs. Trust in Enginetech's commitment to quality and customer satisfaction, and ensure your engine performs at its best with these reliable head bolts.
Features:
- Engineered for one-cylinder applications in Buick and Oldsmobile models from 1986 to 1988
- Made from high-strength materials to resist stretching and corrosion
- Precision-machined for proper thread engagement and torque consistency
- Convenient packaging for easy ordering and handling
- Designed to meet OEM specifications for reliable engine performance
Fits Following Models:
1986 Buick Century
1986 Buick LeSabre
1986 Buick Regal
1986 Oldsmobile Cutlass Ciera
1986 Oldsmobile Cutlass Salon
1986 Oldsmobile Cutlass Supreme
1986 Oldsmobile Delta 88
1986 Pontiac Grand Prix
1987 Buick Century
1987 Buick LeSabre
1987 Buick Regal
1987 Oldsmobile 98
1987 Oldsmobile Cutlass Ciera
1987 Oldsmobile Cutlass Cruiser
1987 Oldsmobile Cutlass Supreme
1987 Oldsmobile Delta 88
1987 Pontiac Bonneville
1987 Pontiac Grand Prix
1988 Buick Century
1988 Buick LeSabre
1988 Buick Reatta
1988 Oldsmobile 98
1988 Oldsmobile Cutlass Ciera
1988 Oldsmobile Cutlass Cruiser
1988 Oldsmobile Delta 88
1988 Pontiac Bonneville
1989 Pontiac Firebird
| Aaiaid Part Number: BBPTHB135 |
| Part Number: HB135 |
| 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.









