Fel-Pro 1645 is a valve cover gasket set for Ford-family Windsor small-block V8 engines, built to help seal covers on 260, 289, 302, and 351W platforms used across Ford, Lincoln, and Mercury applications from the classic muscle era into the 1980s. Its steel-core Cork-Lam construction supports the cork-rubber sealing layers, helping resist blowout and hold clamp load where high vacuum, high horsepower, or imperfect sealing surfaces can make ordinary gaskets struggle.

Fel-Pro 1645 Features:

• Steel metal core adds strength to help the gasket stay in place under high-vacuum and blowout-prone conditions.
• Cork-rubber material is bonded to both sides of the core to support sealing on less-than-perfect valve cover surfaces.
• .313 in. thickness provides extra space between the valve cover and valvetrain for applications that need added clearance.
• Cork-Lam construction is designed for strong torque retention, helping the gasket maintain sealing pressure after installation.
• Fits Windsor small-block V8 260, 289, 302 except Boss 302, and 351W engines used in Ford, Lincoln, and Mercury applications.

Includes:

• Pair of valve cover gaskets

A practical choice for performance Windsor small-block builds where added valvetrain clearance, clamp-load retention, and blowout resistance are more important than a thin stock-style gasket.

Not intended for emission-controlled vehicles. Steel-core gaskets may not fit valve covers that use a gasket-retaining lip.