Manley Performance Race Series Exhaust Valves

Fits Most Chrysler/Dodge/Jeep 6.1L SRT8 (05-08)

11669-8

Overview:

Manley Performance Race Series Exhaust Valves are precision-engineered components designed specifically for Chrysler HEMI 6.1L engines. Crafted to withstand the intense demands of bracket racing, drag racing, and oval track competition, these valves provide reliable performance for engines operating up to 8000 RPM.

Whether you are a serious racer or a performance enthusiast looking to upgrade your engine’s durability and efficiency, these exhaust valves offer enhanced strength and consistent operation under high-stress conditions. They help ensure optimal exhaust flow and valve sealing, contributing to improved engine responsiveness and longevity.

Key Features:

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

• Manufactured from high-strength materials engineered for durability and heat resistance in extreme conditions.
• Triple groove design on the 1.595-inch valve stem enhances retention and stability within the valve guide.
• Specifically sized and balanced for Chrysler HEMI 6.1L engines to maintain precise valve timing and sealing.
• Optimized for engines operating up to 8000 RPM, ensuring reliable performance at high engine speeds.
• Ideal for bracket, drag, and oval track racing where valve durability and consistent operation are critical.
• Precision machining and quality control ensure consistent dimensions and fitment for easy installation.
• Improves exhaust flow efficiency compared to standard valves, supporting better engine breathing and power output.

Construction & Design:

These exhaust valves are engineered with a focus on strength and precision. The triple groove stem design provides enhanced valve guide retention, reducing the risk of valve wobble or misalignment during high-RPM operation. The valves are constructed from premium materials selected for their ability to withstand the high temperatures and stresses typical of racing environments.

Manley’s meticulous manufacturing process ensures tight tolerances and consistent quality, which translates to dependable performance and extended service life. The valves are designed to fit directly into Chrysler HEMI 6.1L cylinder heads without modification, maintaining factory specifications for valve seat and guide compatibility.

Installation & Fitment:

These exhaust valves are a direct fit replacement for Chrysler HEMI 6.1L engines, designed to integrate seamlessly with existing valvetrain components. Installation requires standard engine assembly procedures and should be performed by a qualified technician to ensure proper valve seating and clearances.

No special modifications, cutting, or tuning are required beyond typical engine rebuild practices. They are intended for use in high-performance and racing engines where durability and precision are paramount.

What's Included:

• Set of 8 Manley Race Series Exhaust Valves sized 1.595 inches with triple groove stems

Ideal For:

• Bracket racers seeking reliable, high-RPM valve performance
• Drag racers requiring durable exhaust valves for repeated high-stress runs
• Oval track competitors needing consistent valve sealing and flow
• Performance enthusiasts upgrading Chrysler HEMI 6.1L engines for improved durability
• Engine builders focused on maximizing exhaust efficiency and reliability

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.