Auto Racing Products Small Block Mopar Head Stud Kit 12pt — Fits 273-360 Engines

SKU: BQDN_144-4204
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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

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

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High-Performance 12-Point Head Studs for Mopar

Achieve unparalleled engine reliability with the Auto Racing Products 12-Point Head Stud Kit for Small Block Mopar. Designed for those who demand the absolute best, these studs are crafted from 8740 chromoly steel, known for its exceptional fatigue resistance and tensile strength. The 12-point nut design provides a professional look and improved torque accuracy, essential for high-output engine builds.

Technical Advantages

  • 12-Point nut design for improved access and torque
  • 8740 Chromoly steel for maximum strength
  • Durable black oxide finish prevents corrosion
  • Engineered for Small Block Mopar (273-360)
  • Ensures consistent head gasket sealing

In high-performance engines, the cylinder head is subject to immense stress. Standard bolts can stretch, leading to gasket failure and loss of compression. These 12-point studs are designed to withstand these forces, keeping your cylinder head firmly seated under all conditions. The 12-point configuration is particularly beneficial in cramped engine bays, providing easier access for your torque wrench. Whether you are building a street machine or a dedicated track car, this kit provides the security needed to push your engine with confidence. Don't settle for less than the best when it comes to your engine's internal hardware. Upgrade to the industry standard in fastener technology today. Shop the full range of racing parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

High-Performance 12-Point Head Studs for Mopar

Achieve unparalleled engine reliability with the Auto Racing Products 12-Point Head Stud Kit for Small Block Mopar. Designed for those who demand the absolute best, these studs are crafted from 8740 chromoly steel, known for its exceptional fatigue resistance and tensile strength. The 12-point nut design provides a professional look and improved torque accuracy, essential for high-output engine builds.

Technical Advantages

  • 12-Point nut design for improved access and torque
  • 8740 Chromoly steel for maximum strength
  • Durable black oxide finish prevents corrosion
  • Engineered for Small Block Mopar (273-360)
  • Ensures consistent head gasket sealing

In high-performance engines, the cylinder head is subject to immense stress. Standard bolts can stretch, leading to gasket failure and loss of compression. These 12-point studs are designed to withstand these forces, keeping your cylinder head firmly seated under all conditions. The 12-point configuration is particularly beneficial in cramped engine bays, providing easier access for your torque wrench. Whether you are building a street machine or a dedicated track car, this kit provides the security needed to push your engine with confidence. Don't settle for less than the best when it comes to your engine's internal hardware. Upgrade to the industry standard in fastener technology today. Shop the full range of racing parts at GGCRACING.

Product Details

Product Description

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Watch in action

High-Performance 12-Point Head Studs for Mopar

Achieve unparalleled engine reliability with the Auto Racing Products 12-Point Head Stud Kit for Small Block Mopar. Designed for those who demand the absolute best, these studs are crafted from 8740 chromoly steel, known for its exceptional fatigue resistance and tensile strength. The 12-point nut design provides a professional look and improved torque accuracy, essential for high-output engine builds.

Technical Advantages

  • 12-Point nut design for improved access and torque
  • 8740 Chromoly steel for maximum strength
  • Durable black oxide finish prevents corrosion
  • Engineered for Small Block Mopar (273-360)
  • Ensures consistent head gasket sealing

In high-performance engines, the cylinder head is subject to immense stress. Standard bolts can stretch, leading to gasket failure and loss of compression. These 12-point studs are designed to withstand these forces, keeping your cylinder head firmly seated under all conditions. The 12-point configuration is particularly beneficial in cramped engine bays, providing easier access for your torque wrench. Whether you are building a street machine or a dedicated track car, this kit provides the security needed to push your engine with confidence. Don't settle for less than the best when it comes to your engine's internal hardware. Upgrade to the industry standard in fastener technology today. Shop the full range of racing parts at GGCRACING.

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