Manley Race Series Stainless Steel Exhaust Valves

5.7L HEMI V8 Engines

11697B-8

Overview:

The Manley Race Series Stainless Steel Exhaust Valves are precision-engineered components designed specifically for high-performance 5.7L HEMI V8 engines. Crafted to withstand the intense conditions of bracket racing, drag racing, and oval track competition, these valves offer exceptional durability and reliability for engines operating up to 8000 RPM.

Whether you are a serious racer or a performance enthusiast looking to upgrade your engine’s valvetrain, these exhaust valves provide the strength and consistency needed to maintain optimal exhaust flow and engine efficiency under demanding conditions.

With Manley Performance’s reputation for quality and innovation, you can trust these valves to deliver dependable performance and help support your engine’s power output and longevity.

Key Features:

Manley Race Series Exhaust Valves incorporate advanced materials and design features to meet the rigorous demands of high-RPM racing applications:

• Constructed from premium stainless steel for superior strength and corrosion resistance.
• Designed with a 1.575-inch bead diameter to ensure a precise and secure fit in 5.7L HEMI V8 cylinder heads.
• Engineered to withstand the thermal and mechanical stresses of engines running up to 8000 RPM.
• Optimized valve geometry for improved exhaust gas flow and reduced valve seat wear.
• Ideal for bracket, drag, and oval track racing environments where reliability and performance are critical.
• Manufactured to exacting tolerances to maintain consistent valve sealing and timing accuracy.
• Compatible with stock and aftermarket valvetrain components designed for 5.7L HEMI engines.

Construction & Design:

These exhaust valves are crafted from high-grade stainless steel, chosen for its excellent heat resistance and durability under extreme operating conditions. The stainless steel construction helps prevent corrosion and valve face wear, extending the service life of your valvetrain components.

The valves feature a bead design with a 1.575-inch diameter, ensuring a secure seating surface that maintains proper sealing and combustion chamber integrity. Manley’s precision manufacturing processes guarantee consistent dimensions and surface finishes, which are critical for reliable valve operation at high engine speeds.

Designed specifically for the 5.7L HEMI V8 platform, these valves integrate seamlessly with factory cylinder heads and performance upgrades, supporting enhanced exhaust flow and engine efficiency.

Installation & Fitment:

The Manley Race Series Exhaust Valves are direct replacements for factory exhaust valves on 5.7L HEMI V8 engines. They fit standard valve guides and seats without requiring modifications.

Installation should be performed by a qualified engine builder or technician to ensure proper valve lash, seat contact, and overall valvetrain setup. No special machining or tuning beyond standard valve job procedures is necessary when upgrading to these valves.

• Direct fit for 5.7L HEMI V8 cylinder heads
• No cutting, drilling, or special tuning required
• Compatible with engines operating up to 8000 RPM

What's Included:

• Set of 8 stainless steel exhaust valves designed for 5.7L HEMI V8 engines

Ideal For:

• Bracket racers seeking durable, high-performance exhaust valves
• Drag racers requiring reliable valvetrain components for high-RPM operation
• Oval track competitors needing consistent valve sealing and flow
• Performance enthusiasts upgrading their 5.7L HEMI V8 engines for improved durability
• Engine builders focused on reliability and longevity in demanding race environments

Manley Performance manufactures high-strength engine internals for serious builds—especially forged pistons, connecting rods, valves, and valvetrain components developed for racing and high-output street applications. If you’re building for boost, high compression, or sustained RPM, Manley is a common choice for parts engineered to take abuse and keep power reliable.