Jones Racing Products Crank Mandrel Bolt 1/2in x 4.0in Hex Head — High-Performance Engine Fastener

SKU: GCDN_BEC-2109-HC
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Heavy-Duty 1/2-Inch Crank Mandrel FastenerFor engine builds requiring a larger ...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

Heavy-Duty 1/2-Inch Crank Mandrel Fastener

For engine builds requiring a larger diameter fastener, the Jones Racing Products 1/2in x 4.0in Crank Mandrel Bolt offers the ultimate in strength and security. This bolt is specifically designed for high-torque applications where a 7/16-inch bolt may not suffice. Its robust 1/2-inch diameter provides increased shear strength, making it a reliable choice for serious racing engines and custom accessory drive configurations.

Technical Specifications

  • Bolt Diameter: 1/2 inch
  • Length: 4.0 inches
  • Head Style: Hex Head
  • Includes: Matched End Cap and Step Washer
  • Material: Hardened steel
  • Application: Universal fitment for high-output crank mandrels

Engineered for maximum reliability, this bolt comes complete with an end cap and step washer to ensure a perfect, vibration-free installation. The 4-inch length is ideal for compact accessory drive setups, providing a clean and secure look while maintaining structural integrity. By choosing this heavy-duty fastener, you are ensuring that your accessory drive system remains stable under the most demanding conditions. Jones Racing Products is synonymous with quality in the racing industry, and this bolt is no exception. Upgrade your engine's hardware today to prevent failures and maintain optimal performance. Browse our full inventory of premium racing fasteners and engine components at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Heavy-Duty 1/2-Inch Crank Mandrel Fastener

For engine builds requiring a larger diameter fastener, the Jones Racing Products 1/2in x 4.0in Crank Mandrel Bolt offers the ultimate in strength and security. This bolt is specifically designed for high-torque applications where a 7/16-inch bolt may not suffice. Its robust 1/2-inch diameter provides increased shear strength, making it a reliable choice for serious racing engines and custom accessory drive configurations.

Technical Specifications

  • Bolt Diameter: 1/2 inch
  • Length: 4.0 inches
  • Head Style: Hex Head
  • Includes: Matched End Cap and Step Washer
  • Material: Hardened steel
  • Application: Universal fitment for high-output crank mandrels

Engineered for maximum reliability, this bolt comes complete with an end cap and step washer to ensure a perfect, vibration-free installation. The 4-inch length is ideal for compact accessory drive setups, providing a clean and secure look while maintaining structural integrity. By choosing this heavy-duty fastener, you are ensuring that your accessory drive system remains stable under the most demanding conditions. Jones Racing Products is synonymous with quality in the racing industry, and this bolt is no exception. Upgrade your engine's hardware today to prevent failures and maintain optimal performance. Browse our full inventory of premium racing fasteners and engine components at GGCRACING.

Product Details

Product Description

Heavy-Duty 1/2-Inch Crank Mandrel Fastener

For engine builds requiring a larger diameter fastener, the Jones Racing Products 1/2in x 4.0in Crank Mandrel Bolt offers the ultimate in strength and security. This bolt is specifically designed for high-torque applications where a 7/16-inch bolt may not suffice. Its robust 1/2-inch diameter provides increased shear strength, making it a reliable choice for serious racing engines and custom accessory drive configurations.

Technical Specifications

  • Bolt Diameter: 1/2 inch
  • Length: 4.0 inches
  • Head Style: Hex Head
  • Includes: Matched End Cap and Step Washer
  • Material: Hardened steel
  • Application: Universal fitment for high-output crank mandrels

Engineered for maximum reliability, this bolt comes complete with an end cap and step washer to ensure a perfect, vibration-free installation. The 4-inch length is ideal for compact accessory drive setups, providing a clean and secure look while maintaining structural integrity. By choosing this heavy-duty fastener, you are ensuring that your accessory drive system remains stable under the most demanding conditions. Jones Racing Products is synonymous with quality in the racing industry, and this bolt is no exception. Upgrade your engine's hardware today to prevent failures and maintain optimal performance. Browse our full inventory of premium racing fasteners and engine components at GGCRACING.

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