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The Fel-Pro 1263 Engine Intake Manifold Gasket Set is engineered to provide a reliable seal on a wide range of GM V8 engines, including popular models with displacements from 262 to 400 cubic inches. Designed specifically for the repair environment, this gasket set features proprietary materials that accommodate imperfect sealing surfaces and ensure durability during engine operation. Whether you're repairing or upgrading, you can trust Fel-Pro's innovative sealing solutions to handle real-world conditions effectively. The gasket set is compatible with performance applications, offering a performance-oriented design without a metal core, allowing for customization such as trimming to fit modified ports. It has been tested extensively with various aftermarket cylinder heads and intake manifolds, making it suitable for engines with non-conventional port and bolt configurations. This gasket set does not include exhaust crossover openings or blocking shields and is not intended for emission-controlled vehicles, ensuring optimal performance in appropriate applications. Installation is simplified with features that help fix OE design issues and enhance longevity, making it a valuable choice for professional mechanics and DIY enthusiasts alike. Engine builders will appreciate the flexibility to trim the gasket for precise fits, especially in custom or modified engine setups. Overall, Fel-Pro’s 1263 gasket set offers a dependable sealing solution to improve engine performance and longevity across a range of GM V8 engines, ensuring a secure seal and peace of mind during engine repairs or upgrades.
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).
