Auto Racing Products Head Stud Kit 12pt — Fits BMW 318I/320I 1.5L/2.0L

SKU: BQDN_201-4601
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About Auto Racing Products ARP (Automotive Racing Products) makes the ...Read More

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Sale price$183.99
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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.

Watch in action

Reliability for BMW 4-Cylinder Engines

Whether you are restoring a classic BMW 318I or 320I, or building a high-revving 4-cylinder race engine, the cylinder head seal is paramount. This Auto Racing Products (ARP) Head Stud Kit provides the necessary clamping force to keep your engine running strong, regardless of the performance level. Engineered for the 1.5L and 2.0L BMW 4-cylinder platforms, these studs are a significant upgrade over stock hardware.

Technical Advantages

  • High-strength chromoly steel construction
  • 12-point nuts for improved torque consistency
  • Black oxide finish to prevent corrosion
  • Direct fit for BMW 4-cylinder engines
  • Prevents head gasket failure under high load

The use of studs allows for more accurate torque readings, as they do not twist during the tightening process like standard bolts. This results in a more even distribution of pressure across the cylinder head, which is critical for maintaining a tight seal between the head and the block. The 12-point nut design also provides better accessibility in the engine bay, making your build process more efficient. By choosing this ARP kit, you are ensuring that your engine can withstand the heat and pressure of spirited driving without compromising reliability. It is the perfect choice for builders who refuse to cut corners on engine internals. Secure your engine build with the best hardware on the market 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

Reliability for BMW 4-Cylinder Engines

Whether you are restoring a classic BMW 318I or 320I, or building a high-revving 4-cylinder race engine, the cylinder head seal is paramount. This Auto Racing Products (ARP) Head Stud Kit provides the necessary clamping force to keep your engine running strong, regardless of the performance level. Engineered for the 1.5L and 2.0L BMW 4-cylinder platforms, these studs are a significant upgrade over stock hardware.

Technical Advantages

  • High-strength chromoly steel construction
  • 12-point nuts for improved torque consistency
  • Black oxide finish to prevent corrosion
  • Direct fit for BMW 4-cylinder engines
  • Prevents head gasket failure under high load

The use of studs allows for more accurate torque readings, as they do not twist during the tightening process like standard bolts. This results in a more even distribution of pressure across the cylinder head, which is critical for maintaining a tight seal between the head and the block. The 12-point nut design also provides better accessibility in the engine bay, making your build process more efficient. By choosing this ARP kit, you are ensuring that your engine can withstand the heat and pressure of spirited driving without compromising reliability. It is the perfect choice for builders who refuse to cut corners on engine internals. Secure your engine build with the best hardware on the market 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

Reliability for BMW 4-Cylinder Engines

Whether you are restoring a classic BMW 318I or 320I, or building a high-revving 4-cylinder race engine, the cylinder head seal is paramount. This Auto Racing Products (ARP) Head Stud Kit provides the necessary clamping force to keep your engine running strong, regardless of the performance level. Engineered for the 1.5L and 2.0L BMW 4-cylinder platforms, these studs are a significant upgrade over stock hardware.

Technical Advantages

  • High-strength chromoly steel construction
  • 12-point nuts for improved torque consistency
  • Black oxide finish to prevent corrosion
  • Direct fit for BMW 4-cylinder engines
  • Prevents head gasket failure under high load

The use of studs allows for more accurate torque readings, as they do not twist during the tightening process like standard bolts. This results in a more even distribution of pressure across the cylinder head, which is critical for maintaining a tight seal between the head and the block. The 12-point nut design also provides better accessibility in the engine bay, making your build process more efficient. By choosing this ARP kit, you are ensuring that your engine can withstand the heat and pressure of spirited driving without compromising reliability. It is the perfect choice for builders who refuse to cut corners on engine internals. Secure your engine build with the best hardware on the market at GGCRACING.

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