Ford Falcon AU 5.0L Windsor V8 GT40P Header Gasket Set DSF003A

DSF003A is a high-quality replacement header gasket set designed specifically for Ford Falcon AU 5.0L Windsor V8 engines fitted with GT40P cylinder heads. This gasket set is suited to large port applications (29mm x 44mm), making it ideal for performance builds and header upgrades where correct port matching is critical.

Manufactured for durability and sealing performance, this gasket set helps provide a reliable seal between the cylinder head & exhaust headers / manifold. Improves sealing under heat and load, making it suitable for both standard and performance applications.

Features

• High-quality replacement gasket set
• Designed for GT40P Windsor cylinder heads
• Large port size: 29mm x 44mm
• Suitable for factory manifolds and aftermarket headers
• 1.5mm thickness for strength and durability
• Supplied as a pair (2 gaskets) 

Fitment

• Ford Falcon AU 5.0L Windsor V8
• GT40P cylinder head applications

Specifications

• Part Number: DSF003A
• Product Type: Header gasket set
• Port Size: 29mm x 44mm
• Thickness: 1.5mm
• Fire Ring: No
• Bolt Hole Centres: Standard

Installation Notes

• Ensure all old gasket material is completely removed before installation
• Apply a good quality exhaust gasket sealant around ports
• Allow sealant to become touch dry before fitting
• Re-tighten bolts after approximately 500km

Recommended With

• Exhaust gasket sealant for improved sealing and longevity
• Replacement header or manifold bolts if required
• Matching exhaust system gaskets for complete system service

Frequently Asked Questions

Q: What makes this gasket different from standard Windsor gaskets?
A: This gasket is designed specifically for GT40P heads with larger port dimensions (29mm x 44mm), ensuring proper alignment and sealing.

Q: Is this supplied as a pair?
A: Yes, this is a gasket set supplied as a pair (2 gaskets).

Q: Does it suit aftermarket headers?
A: Yes, it is suitable for both factory manifolds and aftermarket headers where port size and bolt pattern match.

Q: Does it include a fire ring?
A: No, this gasket set doesn't  have a fire ring.

Q: Is sealant required?
A: Yes, using a quality exhaust gasket sealant is recommended for best long-term results.

Customer Support

For phone orders, advice, or part enquiries – contact us:

📞 Call Now: +61 2 9547 3511 ✉️ Email Us

87A Planthurst Road, Carlton NSW 2218, Australia
Exhaust Systems Since 1983

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87A Planthurst Road, Carlton NSW 2218, Australia