Speedmaster Mopar Chrysler BB 440 OEM 2-Bolt Billet Steel Main Caps PCE289.1012

The Speedmaster Mopar Chrysler BB 440 OEM 2-Bolt Replacement Billet Steel Main Caps (PCE289.1012) are precision-engineered billet steel components designed to replace original equipment manufacturer (OEM) main caps on big-block 440 Chrysler engines. These caps serve as critical load-bearing components that secure the crankshaft within the engine block, ensuring proper alignment and structural integrity during high-stress engine operation.

Manufactured from billet steel, these main caps provide superior strength and durability compared to standard cast iron alternatives, making them ideal for both stock restoration projects and high-performance engine builds. The 2-bolt configuration matches the original Mopar specification, ensuring direct fitment without modification. Whether you're rebuilding a classic Chrysler 440 or restoring a vintage muscle car, these OEM-style replacement caps maintain engine reliability and authenticity while delivering the robust construction needed for consistent performance.

Key Features & Benefits

• Billet Steel Construction: Precision-machined from solid billet steel for superior strength and durability over cast iron alternatives.
• OEM 2-Bolt Design: Matches original Mopar Chrysler BB 440 specification for direct fit and proper crankshaft alignment.
• Engine Block Compatibility: Purpose-built replacement caps for Mopar Chrysler big-block 440 engines in classic and vintage vehicles.
• Restoration & Performance: Suitable for stock restorations, engine rebuilds, and performance upgrades requiring reliable main cap support.

Specifications

Ideal Applications

• Classic Chrysler 440 engine rebuilds and restorations
• Vintage muscle car engine block repairs
• High-performance big-block engine assembly projects
• Mopar engine swaps and custom builds