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Enginetech GD8040 Engine Valve Guide 4 Pack for Buick Century and Skylark
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- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Valve Guide - 4 Pack
The Enginetech GD8040 Engine Valve Guide is designed to provide precise valve train alignment and reliable performance for various Buick models. Made from durable iron, this set of four valve guides ensures a secure fit and long-lasting operation. The guides feature a spiral ID finish for smooth valve movement and optimal sealing, reducing wear and tear on engine components. With an outside diameter of 0.502 inches and an inside diameter of 0.315 inches, these guides are engineered to match the specifications of your engine, helping maintain proper valve clearance and timing. Whether you're performing routine maintenance or rebuilding your engine, these guides are a high-quality choice that meets industry standards and enhances engine longevity. They are compatible with Buick Century models from 1987 to 1992 and Skylark models from 1987 to 1991, making them suitable for a range of classic and late-model engines. Trust Enginetech's reputation for precision-engineered parts, backed by excellent customer service and nationwide distribution, to keep your engine running smoothly and reliably.
Features:
- Material: Iron for durability and longevity
- Length: 2.25 inches for proper fitment
- Inside Diameter: 0.315 inches to match valve specifications
- Finish: Spiral ID for smooth valve operation
- Outside Diameter: 0.502 inches for secure seating
- Pack of four guides designed for multiple engine rebuilds
- Compatible with a range of Buick Century and Skylark models from 1987 to 1992
Fits Following Models:
1987 Buick Century
1987 Buick Skylark
1987 Buick Somerset
1987 Chevrolet Astro
1987 Chevrolet Celebrity
1987 Chevrolet LLV
1987 Chevrolet S10
1987 Chevrolet S10 Blazer
1987 GMC S15
1987 GMC S15 Jimmy
1987 GMC Safari
1987 Pontiac 6000
1987 Pontiac Fiero
1987 Pontiac Grand Am
1988 Buick Century
1988 Buick Skylark
1988 Chevrolet Astro
1988 Chevrolet Celebrity
1988 Chevrolet LLV
1988 Chevrolet S10
1988 Chevrolet S10 Blazer
1988 GMC S15
1988 GMC S15 Jimmy
1988 GMC Safari
1988 Pontiac 6000
1988 Pontiac Fiero
1988 Pontiac Grand Am
1989 Buick Century
1989 Buick Skylark
1989 Chevrolet Astro
1989 Chevrolet Celebrity
1989 Chevrolet LLV
1989 Chevrolet S10
1989 GMC S15
1989 GMC Safari
1989 Pontiac 6000
1989 Pontiac Grand Am
1990 Buick Century
1990 Buick Skylark
1990 Chevrolet Astro
1990 Chevrolet Celebrity
1990 Chevrolet LLV
1990 Chevrolet Lumina
1990 Chevrolet S10
1990 GMC S15
1990 GMC Safari
1990 Pontiac 6000
1990 Pontiac Grand Am
1991 Buick Century
1991 Buick Skylark
1991 Chevrolet LLV
1991 Chevrolet Lumina
1991 Chevrolet S10
1991 GMC Sonoma
1991 Pontiac 6000
1991 Pontiac Grand Am
1992 Buick Century
1992 Chevrolet LLV
1992 Chevrolet Lumina
1992 Chevrolet S10
1992 GMC Sonoma
1993 Chevrolet LLV
1993 Chevrolet S10
1993 GMC Sonoma
| Material: Iron |
| Length: 2.25 |
| Inside Diameter: 0.3150 |
| Finish: Spiral ID |
| Outside Diameter: 0.5020 |
| Aaiaid Part Number: BBPTGD8040 |
| Part Number: GD8040 |
| 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.









