Add support where your 5.7L Gen 3 HEMI valvetrain needs it with the Stanke Motorsports STAB01 Rocker Shaft Stabilizer Bar Kit. Designed specifically to increase the stiffness and support of the rocker shafts and valvetrain, this kit provides an additional level of reinforcement for performance-oriented HEMI combinations. Each package contains 10 stabilizer bars, providing the components required to support the rocker shaft system across the engine. For enthusiasts upgrading camshafts, cylinder heads, valve springs, or other valvetrain components, rocker shaft stabilization can be an important supporting modification.

The Gen 3 HEMI uses a shaft-mounted rocker system, and maintaining stability throughout the valvetrain becomes increasingly important as engine performance and operating demands increase. The STAB01 stabilizers are designed to increase rocker shaft stiffness and support, helping create a more controlled valvetrain assembly. This makes them especially relevant for engines being prepared for more aggressive camshaft profiles, increased RPM, or other modifications that place additional demands on the valvetrain.

For cammed 5.7L HEMI combinations, supporting components matter just as much as the camshaft itself. Upgraded valve springs, pushrods, lifters, and other valvetrain components are often selected according to the requirements of the camshaft. The Stanke stabilizer system adds another layer of support by addressing rocker shaft stability. Rather than focusing only on horsepower-producing components, this upgrade helps strengthen the mechanical system responsible for translating camshaft movement into valve operation.

Fitment is an important consideration when ordering. Stanke lists STAB01 as its Gen 3 5.7L Stabilizer kit, but cylinder head design determines which stabilizer configuration is required. Owners should specify which cylinder heads are installed when ordering. Apache, Tritec, and several aftermarket cylinder heads require the 6.4L stabilizers and collars instead of this standard 5.7L STAB01 configuration. This is particularly important on modified engines where cylinder heads may have been swapped or upgraded.

The kit is useful across a broad range of 5.7L HEMI-powered Chrysler, Dodge, Jeep, and Ram platforms. Published application data includes 5.7L versions of the Chrysler 300, Dodge Challenger, Charger, Durango and Magnum, Jeep Grand Cherokee and Commander, and multiple Ram truck applications. Exact fitment should still be confirmed according to the cylinder heads installed on the engine.

For anyone building a performance-focused 5.7L Gen 3 HEMI, the Stanke Motorsports Rocker Shaft Stabilizer Kit provides a straightforward way to reinforce the factory-style rocker shaft arrangement. From street-driven camshaft builds to more serious high-RPM combinations, STAB01 is a practical supporting upgrade for enthusiasts who want to address valvetrain stability as part of a complete engine combination.

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Specifications & Features

• Brand: Stanke Motorsports
• Manufacturer Part Number: STAB01
• Product Type: Rocker Shaft Stabilizer Bar Kit
• Engine Compatibility: 5.7L Gen 3 HEMI, cylinder-head dependent
• Quantity: 10 stabilizer bars per kit
• Purpose: Increases rocker shaft and valvetrain stiffness and support
• Vehicle Compatibility: Select 5.7L HEMI Chrysler 300, Dodge Challenger, Charger, Durango, Magnum, Jeep Grand Cherokee, Commander, Wagoneer, and Dodge/Ram truck applications
• Year Compatibility: Approximately 2005-2024, vehicle and cylinder head dependent
• Package Size: Approximately 6 x 6 x 4 inches
• Listed Package Weight: Approximately 10 lbs
• Color: Metallic / manufacturer finish; appearance may vary
• Installation Location: Gen 3 HEMI rocker shaft and valvetrain assembly
• Designed to increase rocker shaft stiffness
• Provides additional valvetrain support
• Suitable for stock and modified 5.7L HEMI engines
• Ideal for performance camshaft and valvetrain builds
• Suitable for higher-RPM performance applications
• Pairs with upgraded camshafts, valve springs, pushrods, and lifters
• Cylinder Head Note: Cylinder head type must be specified when ordering
• Apache Head Compatibility: Requires 6.4L stabilizers and collars
• Tritec Head Compatibility: Requires 6.4L stabilizers and collars
• Aftermarket Heads: Some applications require 6.4L stabilizers and collars
• Intended Use: Camshaft installations, valvetrain reinforcement, performance engine builds, cylinder head upgrades, street performance, and racing applications
• Installation Difficulty: Advanced
• Professional Installation: Recommended
• Fitment Note: Verify your exact cylinder head configuration before ordering, especially on engines with swapped or aftermarket cylinder heads