PRW Billet Main Caps Straight Outer 4-Bolt Set — Fits Chevy 396-454 Big Block

SKU: FMJX_1745403
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Maximum Stability for Chevy 396-454 EnginesThe PRW Billet Main Caps ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

Maximum Stability for Chevy 396-454 Engines

The PRW Billet Main Caps (1745403) are the ideal solution for engine builders looking to maximize the structural integrity of their Big Block Chevy. These 4-bolt main caps are precision-engineered to provide a rock-solid foundation for your crankshaft, preventing the common issues of cap walk and bore distortion that occur under high-stress conditions. Made from durable billet steel, these caps are built to handle the demands of high-performance street and track engines.

Key Technical Features

  • Application: Designed for Chevy 396-454 Big Block engine blocks.
  • Configuration: 4-bolt design for enhanced clamping force.
  • Material: Premium billet steel construction for long-term reliability.
  • Design: Straight outer bolt pattern for consistent and secure fitment.
  • Set Includes: 4 center main caps for comprehensive bottom-end support.

When you are building a high-horsepower engine, the bottom end is the most critical area to reinforce. The PRW Billet Main Caps offer the strength needed to keep your rotating assembly perfectly aligned, ensuring that your bearings receive the proper lubrication and support they need to survive high-RPM operation. These caps are a must-have for anyone serious about engine building and performance. By choosing these billet steel components, you are investing in the longevity and reliability of your engine, allowing you to push your vehicle to its full potential with confidence. Whether you are upgrading an existing engine or building a new one from the ground up, these main caps are a vital component for success. Find all your performance engine needs at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Maximum Stability for Chevy 396-454 Engines

The PRW Billet Main Caps (1745403) are the ideal solution for engine builders looking to maximize the structural integrity of their Big Block Chevy. These 4-bolt main caps are precision-engineered to provide a rock-solid foundation for your crankshaft, preventing the common issues of cap walk and bore distortion that occur under high-stress conditions. Made from durable billet steel, these caps are built to handle the demands of high-performance street and track engines.

Key Technical Features

  • Application: Designed for Chevy 396-454 Big Block engine blocks.
  • Configuration: 4-bolt design for enhanced clamping force.
  • Material: Premium billet steel construction for long-term reliability.
  • Design: Straight outer bolt pattern for consistent and secure fitment.
  • Set Includes: 4 center main caps for comprehensive bottom-end support.

When you are building a high-horsepower engine, the bottom end is the most critical area to reinforce. The PRW Billet Main Caps offer the strength needed to keep your rotating assembly perfectly aligned, ensuring that your bearings receive the proper lubrication and support they need to survive high-RPM operation. These caps are a must-have for anyone serious about engine building and performance. By choosing these billet steel components, you are investing in the longevity and reliability of your engine, allowing you to push your vehicle to its full potential with confidence. Whether you are upgrading an existing engine or building a new one from the ground up, these main caps are a vital component for success. Find all your performance engine needs at GGCRACING.

Product Details

Product Description

Maximum Stability for Chevy 396-454 Engines

The PRW Billet Main Caps (1745403) are the ideal solution for engine builders looking to maximize the structural integrity of their Big Block Chevy. These 4-bolt main caps are precision-engineered to provide a rock-solid foundation for your crankshaft, preventing the common issues of cap walk and bore distortion that occur under high-stress conditions. Made from durable billet steel, these caps are built to handle the demands of high-performance street and track engines.

Key Technical Features

  • Application: Designed for Chevy 396-454 Big Block engine blocks.
  • Configuration: 4-bolt design for enhanced clamping force.
  • Material: Premium billet steel construction for long-term reliability.
  • Design: Straight outer bolt pattern for consistent and secure fitment.
  • Set Includes: 4 center main caps for comprehensive bottom-end support.

When you are building a high-horsepower engine, the bottom end is the most critical area to reinforce. The PRW Billet Main Caps offer the strength needed to keep your rotating assembly perfectly aligned, ensuring that your bearings receive the proper lubrication and support they need to survive high-RPM operation. These caps are a must-have for anyone serious about engine building and performance. By choosing these billet steel components, you are investing in the longevity and reliability of your engine, allowing you to push your vehicle to its full potential with confidence. Whether you are upgrading an existing engine or building a new one from the ground up, these main caps are a vital component for success. Find all your performance engine needs at GGCRACING.

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