Manley Performance Race Master Exhaust Valves (Set of 8): Chrysler 300 (05-08) / Dodge Charger / Magnum (05-08)

Manley Performance Race Master Exhaust Valves

Chevrolet 5.7L HEMI V8 (Thru 2008)

11667-8

Overview:

Manley Performance Race Master Exhaust Valves are precision-engineered components designed specifically for Chevrolet 5.7L HEMI engines produced through 2008. These valves are built to withstand the intense demands of bracket racing, drag racing, and oval track competition, making them an excellent choice for serious performance enthusiasts and racers alike.

Optimized for engines operating up to 8000 RPM, these exhaust valves provide reliable durability and consistent performance under high-stress conditions. Whether you are building a high-revving race motor or upgrading your factory valvetrain for improved longevity and efficiency, Manley’s Race Master valves deliver the quality and strength needed to keep your engine running at its best.

Key Features:

Manley Race Master Exhaust Valves incorporate advanced design and materials to ensure superior performance and durability. Key features include:

• Constructed from high-strength materials engineered for extreme heat and stress resistance.
• Triple groove design on the 1.575-inch valve stem to enhance valve guide retention and reduce valve stem wear.
• Precision-machined valve head and stem for optimal sealing and smooth operation.
• Specifically designed for Chevrolet 5.7L HEMI engines through 2008, ensuring perfect fitment and compatibility.
• Ideal for engines operating under 8000 RPM, balancing performance and durability for racing applications.
• Manufactured to meet the rigorous demands of bracket, drag, and oval track racing environments.
• Set of 8 valves included to support complete cylinder bank rebuilds or upgrades.

Construction & Design:

Manley’s Race Master valves are crafted using premium materials selected for their ability to endure the extreme temperatures and mechanical stresses found in high-performance exhaust systems. The triple groove stem design enhances valve guide retention, reducing the risk of valve wobble and premature wear during aggressive engine operation.

The valves are precision-machined to tight tolerances, ensuring excellent sealing against the valve seat and smooth movement within the valve guide. This meticulous construction contributes to improved engine efficiency, consistent combustion, and reliable power delivery on the track.

Installation & Fitment:

These exhaust valves are designed as direct replacements for the stock valves in Chevrolet 5.7L HEMI engines produced through 2008. They fit using factory valve guides and seats without requiring modifications.

• Direct bolt-in fitment for ease of installation during engine rebuilds or upgrades.
• No cutting, drilling, or special tuning is required.
• Compatible with stock valvetrain components and aftermarket performance upgrades designed for this engine.

What's Included:

• Set of 8 Manley Race Master Exhaust Valves with triple groove 1.575-inch stems

Ideal For:

This set of Manley Race Master Exhaust Valves is ideal for:

• Racers competing in bracket, drag, or oval track events.
• Performance enthusiasts building or upgrading Chevrolet 5.7L HEMI engines for high RPM operation.
• Engine builders seeking durable, race-proven valvetrain components for motors running up to 8000 RPM.
• Anyone requiring reliable, high-quality exhaust valves for demanding performance applications.