Mazworx 4B11 Billet Main Caps

The Mazworx 4B11 Billet Main Caps are precision machined from high-quality 4140 chromoly steel, offering exceptional strength and durability for your Mitsubishi 4B11 engine. These billet main caps are designed to reinforce the engine block, ensuring improved stability and reliability under high-performance conditions.

Installation of these main caps requires the engine block to be line bored and honed to accommodate the upgraded components accurately. This process is essential to achieve optimal alignment and fitment, ensuring long-lasting performance.

For enhanced fastening strength and reliability, it is recommended to use ARP main studs in conjunction with the Mazworx billet main caps. Together, these components provide a robust foundation for high-stress engine builds.

Key Features

• Constructed from premium 4140 chromoly steel for maximum strength
• Designed specifically for Mitsubishi 4B11 engines
• Requires line boring and honing for installation
• Compatible with ARP main studs for enhanced durability

Upgrade your engine’s main bearing support with the Mazworx 4B11 Billet Main Caps and experience greater reliability and performance for demanding applications.