ARP M11 x 1.25 Thread Cleaning Chaser Tap — Engine Block Tool

SKU: ARP912-0004
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...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

About ARP

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

Professional Thread Restoration

When preparing an engine block for new head studs or bolts, cleanliness is non-negotiable. The ARP M11 x 1.25 Thread Cleaning Chaser Tap is specifically designed to clean threaded holes, removing debris, carbon, and old thread locker without cutting or damaging the existing threads. This ensures that your fasteners achieve the correct torque values, which is essential for maintaining a perfect seal in high-performance engines.

Key Benefits for Builders

  • Precision-engineered for M11 x 1.25 threads
  • Removes debris for accurate fastener seating
  • Prevents false torque readings
  • Durable construction for professional shop environments
  • Essential for cylinder head and main bearing installations

In high-performance applications, the clamping force of your head studs is the only thing standing between you and a blown head gasket. If the threads are not clean, the friction caused by debris will result in inaccurate torque readings, meaning your studs may not be properly tightened. The ARP thread chaser is the industry-standard tool for ensuring that your threads are pristine before installation. By using this chaser, you guarantee that your fasteners will perform exactly as intended, providing the clamping force required for high-boost or high-compression setups. Don't compromise on your engine build; use the tools trusted by professionals worldwide. Find all your specialized engine assembly tools at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

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

Professional Thread Restoration

When preparing an engine block for new head studs or bolts, cleanliness is non-negotiable. The ARP M11 x 1.25 Thread Cleaning Chaser Tap is specifically designed to clean threaded holes, removing debris, carbon, and old thread locker without cutting or damaging the existing threads. This ensures that your fasteners achieve the correct torque values, which is essential for maintaining a perfect seal in high-performance engines.

Key Benefits for Builders

  • Precision-engineered for M11 x 1.25 threads
  • Removes debris for accurate fastener seating
  • Prevents false torque readings
  • Durable construction for professional shop environments
  • Essential for cylinder head and main bearing installations

In high-performance applications, the clamping force of your head studs is the only thing standing between you and a blown head gasket. If the threads are not clean, the friction caused by debris will result in inaccurate torque readings, meaning your studs may not be properly tightened. The ARP thread chaser is the industry-standard tool for ensuring that your threads are pristine before installation. By using this chaser, you guarantee that your fasteners will perform exactly as intended, providing the clamping force required for high-boost or high-compression setups. Don't compromise on your engine build; use the tools trusted by professionals worldwide. Find all your specialized engine assembly tools at GGCRACING.

Product Details

Product Description

About ARP

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

Professional Thread Restoration

When preparing an engine block for new head studs or bolts, cleanliness is non-negotiable. The ARP M11 x 1.25 Thread Cleaning Chaser Tap is specifically designed to clean threaded holes, removing debris, carbon, and old thread locker without cutting or damaging the existing threads. This ensures that your fasteners achieve the correct torque values, which is essential for maintaining a perfect seal in high-performance engines.

Key Benefits for Builders

  • Precision-engineered for M11 x 1.25 threads
  • Removes debris for accurate fastener seating
  • Prevents false torque readings
  • Durable construction for professional shop environments
  • Essential for cylinder head and main bearing installations

In high-performance applications, the clamping force of your head studs is the only thing standing between you and a blown head gasket. If the threads are not clean, the friction caused by debris will result in inaccurate torque readings, meaning your studs may not be properly tightened. The ARP thread chaser is the industry-standard tool for ensuring that your threads are pristine before installation. By using this chaser, you guarantee that your fasteners will perform exactly as intended, providing the clamping force required for high-boost or high-compression setups. Don't compromise on your engine build; use the tools trusted by professionals worldwide. Find all your specialized engine assembly tools at GGCRACING.

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