Baffles for Small Block and Big Block Chevy Aluminum Valve Covers

• Fits compatible Chevy Small Block and Big Block (tall) aluminum valve covers requiring internal oil baffles

• Aluminum construction for strength, durability, and leak resistance

• Designed for proper crankcase ventilation

• Includes mounting hardware; check rocker, coil, hood, and breather clearance before installation

Baffles for Small Block and Big Block Chevy Aluminum Valve Covers

These steel baffles mount under the breather hole inside TSP's cast aluminum valve covers, helping keep oil from surging into the breather and improving crankcase pressure management. They're designed to fit TSP's cast aluminum valve covers for Small Block Chevy and the tall cast aluminum valve covers for Big Block Chevy.

Sold as a pair, these screw-in baffles are steel with a white zinc finish, and mounting hardware is included.

What is this product used for?
These breather baffles install beneath the breather openings inside compatible Top Street Performance (TSP) valve covers. They help reduce oil splash and prevent oil from being drawn into the breather or PCV system while maintaining proper crankcase ventilation.

What valve covers do these baffles fit?
These baffles are designed for compatible TSP cast aluminum valve covers for Chevrolet Small Block V8 engines and TSP tall cast aluminum valve covers for Chevrolet Big Block V8 engines.

What are these baffles made from?
These baffles are manufactured from steel and feature a white zinc finish for corrosion resistance and long service life.

Do these include mounting hardware?
Yes. All required mounting hardware is included for installation.

How many baffles are included?
These breather baffles are sold as a pair, providing one baffle for each valve cover.

Do these baffles include a breather?
No. Breathers are not included and must be purchased separately.

Why should I use breather baffles?
Breather baffles help prevent engine oil from splashing directly into the breather or PCV valve during acceleration, cornering, and high-RPM operation. This helps reduce oil consumption, keeps the breather cleaner, and improves crankcase ventilation performance.

Will these fit factory valve covers?
No. These baffles are designed specifically for compatible Top Street Performance cast aluminum valve covers and are not intended for factory or other aftermarket valve covers unless specifically stated.

Can these be used in high-performance or racing applications?
Yes. These breather baffles are well suited for street performance, racing, engine swaps, and custom builds where improved oil control and crankcase ventilation are important.

Are these reusable?
Yes. The steel construction and zinc finish allow these breather baffles to be removed, cleaned, and reused during routine engine maintenance or valve cover service.