Auto Racing Products Head Stud Kit 12pt — Fits BMW M20 2.5L Inline 6

SKU: BQDN_201-4305
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About Auto Racing Products ARP (Automotive Racing Products) makes the ...Read More

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Sale price$259.99
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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

Superior Clamping for BMW M20 Engines

The M20 2.5L engine is a classic platform that responds exceptionally well to performance modifications. However, increasing compression or adding forced induction puts significant strain on the cylinder head seal. This Auto Racing Products (ARP) Head Stud Kit is designed to replace your factory head bolts with high-strength chromoly studs, ensuring your BMW M20 stays together under the most demanding conditions.

Key Features and Benefits

  • Precision-machined from premium chromoly steel
  • 12-point nuts for precise torque application
  • Black oxide finish for enhanced durability
  • Designed specifically for BMW M20 2.5L Inline-6
  • Ensures uniform clamping force across the head

By utilizing studs instead of bolts, you ensure that the cylinder head is properly seated and remains stable even as engine temperatures fluctuate. The 12-point nut design allows for easier clearance and more precise torque values, which is essential for achieving the correct gasket crush. This kit is a must-have for any enthusiast performing a rebuild or looking to increase the reliability of their M20 engine. Whether you are building a naturally aspirated track car or a turbocharged street machine, these studs provide the structural foundation your engine needs to perform at its peak. Rely on the proven strength of ARP products to protect your investment. Find all the essential hardware for your next engine project 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

Superior Clamping for BMW M20 Engines

The M20 2.5L engine is a classic platform that responds exceptionally well to performance modifications. However, increasing compression or adding forced induction puts significant strain on the cylinder head seal. This Auto Racing Products (ARP) Head Stud Kit is designed to replace your factory head bolts with high-strength chromoly studs, ensuring your BMW M20 stays together under the most demanding conditions.

Key Features and Benefits

  • Precision-machined from premium chromoly steel
  • 12-point nuts for precise torque application
  • Black oxide finish for enhanced durability
  • Designed specifically for BMW M20 2.5L Inline-6
  • Ensures uniform clamping force across the head

By utilizing studs instead of bolts, you ensure that the cylinder head is properly seated and remains stable even as engine temperatures fluctuate. The 12-point nut design allows for easier clearance and more precise torque values, which is essential for achieving the correct gasket crush. This kit is a must-have for any enthusiast performing a rebuild or looking to increase the reliability of their M20 engine. Whether you are building a naturally aspirated track car or a turbocharged street machine, these studs provide the structural foundation your engine needs to perform at its peak. Rely on the proven strength of ARP products to protect your investment. Find all the essential hardware for your next engine project 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

Superior Clamping for BMW M20 Engines

The M20 2.5L engine is a classic platform that responds exceptionally well to performance modifications. However, increasing compression or adding forced induction puts significant strain on the cylinder head seal. This Auto Racing Products (ARP) Head Stud Kit is designed to replace your factory head bolts with high-strength chromoly studs, ensuring your BMW M20 stays together under the most demanding conditions.

Key Features and Benefits

  • Precision-machined from premium chromoly steel
  • 12-point nuts for precise torque application
  • Black oxide finish for enhanced durability
  • Designed specifically for BMW M20 2.5L Inline-6
  • Ensures uniform clamping force across the head

By utilizing studs instead of bolts, you ensure that the cylinder head is properly seated and remains stable even as engine temperatures fluctuate. The 12-point nut design allows for easier clearance and more precise torque values, which is essential for achieving the correct gasket crush. This kit is a must-have for any enthusiast performing a rebuild or looking to increase the reliability of their M20 engine. Whether you are building a naturally aspirated track car or a turbocharged street machine, these studs provide the structural foundation your engine needs to perform at its peak. Rely on the proven strength of ARP products to protect your investment. Find all the essential hardware for your next engine project at GGCRACING.

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