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PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.
When pushing your Big Block Chevy 396-454 to the limit, block rigidity is paramount. The PRW Billet Main Caps (1745401) are engineered to transform your standard 2-bolt main setup into a robust 4-bolt configuration. These precision-machined steel caps provide the superior clamping force and structural integrity required for high-horsepower street and strip applications.
By upgrading to these billet steel caps, you significantly reduce cap walk and main bearing bore distortion under extreme load. This modification is essential for any serious engine build looking to improve reliability during high-RPM operation. Whether you are building a drag car or a high-performance street machine, these caps offer the peace of mind that comes with professional-grade components. Ensure your rotating assembly stays perfectly aligned and secure with this premium hardware upgrade. Find the best performance engine components at GGCRACING.
Other popular PRW products customers consider together:
PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.
When pushing your Big Block Chevy 396-454 to the limit, block rigidity is paramount. The PRW Billet Main Caps (1745401) are engineered to transform your standard 2-bolt main setup into a robust 4-bolt configuration. These precision-machined steel caps provide the superior clamping force and structural integrity required for high-horsepower street and strip applications.
By upgrading to these billet steel caps, you significantly reduce cap walk and main bearing bore distortion under extreme load. This modification is essential for any serious engine build looking to improve reliability during high-RPM operation. Whether you are building a drag car or a high-performance street machine, these caps offer the peace of mind that comes with professional-grade components. Ensure your rotating assembly stays perfectly aligned and secure with this premium hardware upgrade. Find the best performance engine components at GGCRACING.
Other popular PRW products customers consider together:
