PRW Industries 1745401 Billet Main Caps for Chevy 396-454 2-to-4-Bolt Conversion, 4-Piece Set

Upgrade the bottom end of your big block Chevy engine with PRW Industries Billet Main Caps, part number 1745401. Designed for Chevrolet 396-454 cubic-inch engines, this four-piece set supports conversion from a 2-bolt main configuration to a 4-bolt arrangement. The caps feature straight bolt alignment and a durable steel construction for dependable performance in demanding street, strip, and performance applications.
The PRW Industries 1745401 main cap set is designed to provide a strong, precise foundation for engine assembly and rebuild projects. Center-cap placement helps reinforce the main bearing area, while the four-bolt configuration increases clamping support compared with the original two-bolt setup. These caps are intended for big block Chevy applications and should be installed with the appropriate hardware, machining, and professional clearancing required for a proper conversion.
Whether you are building a high-performance Chevrolet 396, 427, or 454 engine, these PRW Industries billet main caps offer a practical solution for strengthening the main cap assembly. Verify engine block compatibility, machining requirements, fastener selection, and final fitment before installation. The set includes four steel main caps with straight bolt design for a clean, reliable installation in compatible 2-to-4-bolt conversion applications.

Features:

• Brand: PRW Industries

• Part Number: 1745401

• Application: Big block Chevy 396-454 engines

• Configuration: 2-to-4-bolt main cap conversion

• Main Cap Style: Center caps

• Bolt Design: Straight bolts

• Material: Steel

• Quantity: Set of 4