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Mr Gasket 5863 Mr. Gasket Ultra-Seal Valve Cover Gaskets - .312 Inch Thick
Vendor:
Mr Gasket
SKU:
BCZG_5863
Availability:
Out of stock. Chat\Call to Order
Product Type:
Engine Valve Cover Gasket Set
- Regular price
- $67.00 USD
- Regular price
-
$42.00 - Sale price
- $67.00 USD
- Unit price
- per
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Description
xThese are high quality gaskets that works well on those hard to seal applications. The low density fiber & rubber blend gasket material seals those minor head imperfections with a low clamp force. At .312 inch, the extra thickness can also offer slightly more clearance for roller rockers. Ideal for all those high performance applications where you take the valve covers off and on a lot, and sticking is a problem.
Fits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572.
Fits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572.
Specifications:
| Application | Big Block Chevy |
| Brand | Mr. Gasket |
| Category | Gaskets |
| 17 | Black |
| Emission Code | 5 |
| Engine | Chevrolet Big Block Gen V/VI |
| Engine | Chevrolet Big Block Mark IV |
| Finish | Rubber coated |
| Packaging | Retail - Skin Pack |
| Product Type | Valve Cover Accessories |
| Valve Cover Gasket Material | Ultra Seal |
| Valve Cover Gasket Thickness | .187 |
| Warning | California Proposition 65 |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| Weight | 0.5 |
| Application | Big Block Chevy |
| Brand | Mr. Gasket |
| Category | Gaskets |
| 17 | Black |
| Emission Code | 5 |
| Engine | Chevrolet Big Block Gen V/VI |
| Engine | Chevrolet Big Block Mark IV |
| Finish | Rubber coated |
| Packaging | Retail - Skin Pack |
| Product Type | Valve Cover Accessories |
| Valve Cover Gasket Material | Ultra Seal |
| Valve Cover Gasket Thickness | .187 |
| Warning | California Proposition 65 |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| Weight | 0.5 |
| Description_INV | U/S VC GSKT BB CHEV THK |
| Description_DES | Mr. Gasket Ultra-Seal Valve Cover Gaskets - .312 Inch Thick |
| Description_EXT | Fits 1965-2000 Chevrolet 396-572 Mark IV/V/VI Big Block |
| Description_MKT | These are high quality gaskets that works well on those hard to seal applications. The low density fiber & rubber blend gasket material seals those minor head imperfections with a low clamp force. At .312 inch, the extra thickness can also offer slightly more clearance for roller rockers. Ideal for all those high performance applications where you take the valve covers off and on a lot, and sticking is a problem. Fits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572. |
| Description_FAB | These Are A Cork Rubber Blend |
| Description_FAB | Extra Thick 5/16 In Creates Positive Seal |
| Description_FAB | Also Available In Standard Thickness |
| Description_FAB | For OE Replacement And High Performance Apps |
| Description_INV | U/S VC GSKT BB CHEV THK |
| Description_DES | Mr. Gasket Ultra-Seal Valve Cover Gaskets - .312 Inch Thick |
| Description_EXT | Fits 1965-2000 Chevrolet 396-572 Mark IV/V/VI Big Block |
| Description_MKT | These are high quality gaskets that works well on those hard to seal applications. The low density fiber & rubber blend gasket material seals those minor head imperfections with a low clamp force. At .312 inch, the extra thickness can also offer slightly more clearance for roller rockers. Ideal for all those high performance applications where you take the valve covers off and on a lot, and sticking is a problem. Fits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572. |
| Description_FAB | These Are A Cork Rubber Blend |
| Description_FAB | Extra Thick 5/16 In Creates Positive Seal |
| Description_FAB | Also Available In Standard Thickness |
| Description_FAB | For OE Replacement And High Performance Apps |
Vehicle Fitment
xShipping
xSHIPPING & DELIVERY INFORMATION
Free Shipping
- Eligibility: Orders over $99 in the USA & Canada.
- Exceptions: Oversized or heavy items may incur extra fees (we’ll notify you before shipping).
- Non-Eligible Areas: Vancouver Island, Yukon, NWT, Nunavut, Alaska, Hawaii, Puerto Rico & other U.S. territories.
Fast Shipping
- Processing: Orders placed before 2 PM usually ship the same day.
- Delivery Time: 2–5 business days via Purolator, FedEx, or Loomis Express.
- Note: Delivery may take longer for distant warehouses or inter-warehouse transfers.
Shipping Limitations
- No P.O. Boxes: Please provide a physical address.
- Remote Areas: Free shipping excludes remote regions.
Special Orders & Backorders
- May incur additional handling fees (discussed before shipping).
- You may cancel if costs are too high for a full refund.
Warranty
- For internal damage or missing parts, contact the manufacturer directly for faster service.
- After 30 days, contact the manufacturer first — if unresolved, our team will assist.
Oversized Items
- Shipped via LTL Freight (items over 150 lbs or large dimensions).
- We’ll confirm any added costs before shipping.
- Examples: Large Fridges, Oversize Toolbox or Tanks, Drop in Bed liners, Wheel to Wheel Step bar & Running Boards, Large Roof Cargo Box, Heavy Bumpers, RV Doors, Oversize, Roof Tent, Large gas tank, Oversize Grille Guards, Fifth Wheel Hitch, Sofa , Trailer Axle.
- Special Handling Fees: Items like batteries may incur additional shipping fees.
Returns & Cancellations
In-Stock Items
- Cancel before shipment; once shipped, standard return policy applies.
- 20% restocking fee, excluding oversize item. Both way shipping is customer responsibility under store error.
Backorders / Special Orders
- 5% restocking fee applies if canceled within 30 days.
- Non-cancellable once shipped from the manufacturer.
- Refused Deliveries: Refund minus shipping & restocking fees (excludes special orders).
- Payment Disputes: Chargebacks do not cancel orders — please contact us directly.
Core Fees
- Not included in the purchase price.
- Refundable upon return of the old part in usable condition.
If you have any questions or need assistance, please reach out to us at 800.292.4173 or support@mytruckpoint.ca.
Why Us
xWhy Choose MyTruckPoint?
When it comes to your truck, compromise is not an option. At MyTruckPoint, we deliver the quality, speed, and trust that professionals across Canada depend on every day.
🇨🇦 Trusted Across Canada for 10+ Years
A decade of proven reliability serving truck owners, fleets, and businesses nationwide. We’ve built our reputation by delivering consistent quality and dependable service.
📦 100,000+ Orders Delivered
Over one hundred thousand successful orders — every one backed by accuracy, speed, and customer satisfaction you can count on.
✅ Authorized Dealer of Leading Brands
No knock-offs. No compromises. Only genuine parts from top-tier brands, ensuring performance, safety, and long-term value.
💪 Built for Performance & Durability
Our parts are selected to handle real-world demands — tough jobs, long hauls, and harsh conditions. Because your truck deserves the best.
💰 Competitive Pricing Without Cutting Corners
Premium quality doesn’t have to mean premium prices. We deliver exceptional value so you get more for every dollar spent.
⚡ Fast, Reliable Shipping
Downtime costs money. That’s why we process orders quickly and deliver efficiently — so you can get back on the road faster.
🧠 Expert Support You Can Rely On
Not sure what you need? Our experienced team is here to guide you with honest advice and the right solutions — every time.
🤝 Customer-First Commitment
We stand behind every order. Your satisfaction isn’t optional — it’s our priority.
MyTruckPoint — Trusted by Thousands. Built for the Road.
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