Kooks Headers KSH-PY-8023-A-AL Ford 4.6L/5.4L 3V Round-Port Multi-Layer Aluminum Header Gaskets

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!" Ford Modular Engine Header Gaskets - 4.6L/5.4L 3V Cylinder Heads. Stock Bolt Pattern. Round Port Multi Layer Aluminum style Gasket. This part number should only be ordered as a replacment for damaged or lost Gaskets. Ford Modular Engine Header Gaskets - 4.6L/5.4L 3V Cylinder Heads. Stock Bolt Pattern. Round Port Multi Layer Aluminum style Gasket. Sold in Pairs. Gaskets are included in most Header kits. This part number should only be ordered as a replacment for damaged or lost Gaskets. Ford Modular Engine Header Gaskets - 4.6L/5.4L 3V Cylinder Heads Stock Bolt Pattern Round Port Multi Layer Aluminum style Gasket Sold in Pairs Gaskets are included in most Header kits. This part number should only be ordered as a replacment for damaged or lost Gaskets.

• Manufactured In The USA. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products are Backed by a Limited Lifetime Warranty To the Original Purchaser. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.
• Kooks Headers And Exhaust Make The Most Power In The Industry
• Kooks System Are Specifically Designed For Maximum Power
• Kooks Products Are Made Of T304 Air Craft Quality Steel
• Limited Lifetime Warranty To Original Purchaser
• 3 Generations Being Family Owned And Operated
• Every Kooks Product Is Dyno And Race Tested
• Kooks Products Fit And Install The Best
• 100 Percent Manufactured In The USA

Kooks Headers KSH-PY-8023-A-AL header gaskets are designed for Ford Modular 4.6L and 5.4L 3-valve cylinder heads using the stock bolt pattern. These round-port, multi-layer aluminum-style gaskets provide a dependable sealing surface between compatible headers and cylinder heads, helping reduce the risk of exhaust leaks and supporting consistent exhaust system performance.

Sold as a pair, these gaskets are intended primarily as replacement components for damaged or missing gaskets. Gaskets are included with most Kooks header kits, so verify the contents of your existing installation before ordering. The design is suited to performance street, racing, and off-road applications where proper header sealing is essential.

Kooks manufactures its products in the USA and backs its products with a limited lifetime warranty to the original purchaser. Kooks components are dyno and race tested and engineered for performance, fit, and installation quality. This gasket set fits select 2005-2010 Ford Mustang applications equipped with compatible Ford 4.6L 3-valve engines; confirm the exact vehicle, engine, cylinder head, and header configuration before installation.

Key Product Specifications and Technical Data

• Brand: Kooks Headers
• Part Number: KSH-PY-8023-A-AL
• Application: Ford Modular engine header gasket
• Engine Compatibility: Ford 4.6L and 5.4L 3-valve cylinder heads
• Port Style: Round port
• Mounting Pattern: Stock bolt pattern
• Construction: Multi-layer aluminum-style gasket
• Quantity: Pair

What's Included

• Two Kooks Headers KSH-PY-8023-A-AL header gaskets

Features:

• Ford 4.6L and 5.4L 3-valve compatibility: Designed for compatible Ford Modular 3-valve cylinder heads and stock bolt patterns.
• Round-port design: Matches compatible round-port header and cylinder-head configurations for reliable exhaust sealing.
• Multi-layer aluminum-style construction: Provides a durable sealing interface for performance exhaust applications.
• Made in the USA: Kooks products are manufactured in the United States and backed by a limited lifetime warranty to the original purchaser.

Fitments:
2005 Ford Mustang GT
2006 Ford Mustang GT
2007 Ford Mustang GT
2007 Ford Mustang Shelby GT
2008 Ford Mustang Bullitt
2008 Ford Mustang GT
2008 Ford Mustang Shelby GT
2009 Ford Mustang Bullitt
2009 Ford Mustang GT
2010 Ford Mustang GT

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1