JE Pistons Pro Seal Headgasket

Chrysler Hemi 5.7L Left 4.05in 0.039in

CR1007-039

Overview:

The JE Pistons Pro Seal Left Headgasket is engineered specifically for the Chrysler Hemi 5.7L engine, designed to provide a reliable and durable seal between the cylinder head and engine block. This left-side headgasket features a 4.05-inch bore diameter and a thickness of 0.039 inches, ensuring precise fitment and optimal sealing performance. Ideal for engine builders, performance enthusiasts, and professional mechanics, this gasket helps maintain proper compression and prevents leaks under demanding conditions.

Whether you are rebuilding your Hemi engine or upgrading for enhanced durability, the JE Pistons Pro Seal headgasket offers peace of mind with its high-quality construction and proven sealing capabilities.

Key Features:

Designed to meet the rigorous demands of high-performance and street engines, the JE Pistons Pro Seal headgasket delivers exceptional reliability and sealing integrity. Key features include:

• Precision 4.05-inch bore size for exact fitment on Chrysler Hemi 5.7L left cylinder head
• 0.039-inch thickness for optimal compression and gasket crush
• Multi-layer steel (MLS) construction for superior durability and heat resistance
• Pro Seal technology enhances sealing under high cylinder pressures
• Corrosion-resistant coating to extend gasket life
• Designed to withstand high temperatures and repeated thermal cycles
• Compatible with stock and modified engines
• Manufactured to OEM specifications for reliable performance

Construction & Design:

The JE Pistons Pro Seal headgasket is crafted using advanced multi-layer steel technology, which combines multiple layers of high-grade steel to create a gasket capable of maintaining a tight seal under extreme conditions. The steel layers are precision stamped and coated with a corrosion-resistant finish to prevent degradation over time. This construction ensures the gasket can handle the thermal expansion and contraction typical of high-performance Hemi engines without compromising sealing integrity.

Its 0.039-inch thickness is engineered to provide the ideal balance between compression sealing and durability, minimizing the risk of head warpage or gasket failure. The gasket’s design also incorporates Pro Seal technology, which enhances its ability to maintain a leak-free seal even under elevated cylinder pressures and temperatures.

Installation & Fitment:

This headgasket is designed for direct replacement on the left side of the Chrysler Hemi 5.7L engine. Installation requires standard engine rebuild procedures, including proper surface preparation of the cylinder head and block to ensure a clean, flat sealing surface. No modifications are necessary when installing this gasket, making it a straightforward upgrade or replacement part for engine rebuilds or repairs.

For best results, always follow the manufacturer’s torque specifications and tightening sequence when installing the headgasket to ensure a proper seal and long-lasting performance.

What's Included:

• One JE Pistons Pro Seal Left Headgasket for Chrysler Hemi 5.7L

Ideal For:

This headgasket is ideal for automotive enthusiasts, engine builders, and professional mechanics working on Chrysler Hemi 5.7L engines who require a high-quality, reliable sealing solution. It is well suited for both stock rebuilds and mild to moderate performance upgrades where maintaining a strong, leak-free seal is critical.

JE Pistons is a cornerstone name in forged pistons for high-performance and motorsports engines across domestic, sport compact, European, and powersports platforms. Their forged piston kits are engineered for strength and reliability in high-RPM, high-boost, and high-compression builds where factory internals won’t survive long.