Have Questions?
Professional-grade parts used trackside.
Expert help during business hours.
Encrypted checkout & trusted payments.
Orders ship quickly from regional warehouses.
The Fel-Pro PermaTorqueMLS Chevrolet Big Block Engine Cylinder Head Gasket is engineered to deliver a reliable, high-performance seal for demanding repair environments. Designed specifically for engines with bore diameters around 4.38 inches, this gasket ensures a precise fit on a wide range of Chevrolet big block V8 models including 396, 402, 427, 454, 502, 510, 540, and 572 cubic inch engines. Manufactured with proprietary materials, it provides exceptional durability and resistance to the high pressures and temperatures generated during engine operation. The gasket's innovative design addresses common sealing issues, offering a robust solution that helps prevent leaks and maintain optimal engine performance over time. Its application-specific construction guarantees a perfect fit, simplifying installation and reducing the likelihood of rework or adjustments. Built to surpass original equipment standards, this gasket offers confidence in its ability to withstand peak combustion pressures while maintaining a consistent, tight seal for long-lasting reliability. Whether performing a rebuild or repair, the Fel-Pro PermaTorqueMLS gasket is an essential component for ensuring engine integrity and performance consistency. The gasket is validated for fit, form, and function, providing unsurpassed quality and peace of mind for professional mechanics and DIY enthusiasts alike. Designed for ease of use and durability, this gasket is a dependable choice for high-performance Chevrolet big block engines, ensuring they operate efficiently and reliably for years to come.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
