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 1278 Engine Intake Manifold Gasket Set is engineered to deliver reliable sealing performance for a wide range of GM V8 engines, including models from 262 to 400 cubic inches. Designed specifically for repair environments, this gasket set ensures a secure seal even on imperfect sealing surfaces, thanks to proprietary materials that enhance durability and longevity. Its design accommodates high-performance applications, making it suitable for modified ports and custom engine builds. This gasket set is ideal for professional mechanics and experienced DIY enthusiasts looking to achieve a precise fit and optimal engine performance. It is compatible with a variety of aftermarket cylinder head and intake manifold combinations, providing versatility for different engine configurations. Note that this gasket set is not intended for use in emission-controlled vehicles and does not include exhaust crossover openings or blocking shields. The gasket's construction allows for trimming on modified ports, facilitating a customized fit for performance upgrades. Overall, the Fel-Pro 1278 gasket set simplifies installation, reduces the likelihood of leaks, and ensures a durable seal under demanding conditions, making it a reliable choice for high-performance and repair applications alike.
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).
