Auto Racing Products Flywheel Bolt Kit 10mm x 1.25 Chromoly — Fits Late Porsche 911

SKU: BQDN_204-2801
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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 Flywheel Security for Porsche 911

Ensure your Porsche 911 drivetrain remains secure under extreme racing conditions with the Auto Racing Products (ARP) Pro Series Flywheel Bolt Kit. Engineered specifically for late-model Porsche 4-cylinder and 6-cylinder engines, these bolts provide superior clamping force compared to factory hardware.

Technical Specifications

  • Thread Size: 10mm x 1.25
  • Length: 0.770 inches
  • Material: Premium Chromoly Steel
  • Finish: Black Oxide Coating
  • Drive Style: Tri-Square
  • Quantity: Set of 9

Constructed from heat-treated chromoly steel, these bolts are designed to withstand the high-torque loads and vibrations inherent in high-performance driving. The black oxide finish provides excellent corrosion resistance, ensuring long-term durability in your engine bay. Whether you are performing a clutch replacement or a full engine rebuild, using high-quality fasteners is critical to preventing flywheel separation and catastrophic engine failure. Trust the industry leader in fastener technology for your next build. Find this and other premium engine components 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 Flywheel Security for Porsche 911

Ensure your Porsche 911 drivetrain remains secure under extreme racing conditions with the Auto Racing Products (ARP) Pro Series Flywheel Bolt Kit. Engineered specifically for late-model Porsche 4-cylinder and 6-cylinder engines, these bolts provide superior clamping force compared to factory hardware.

Technical Specifications

  • Thread Size: 10mm x 1.25
  • Length: 0.770 inches
  • Material: Premium Chromoly Steel
  • Finish: Black Oxide Coating
  • Drive Style: Tri-Square
  • Quantity: Set of 9

Constructed from heat-treated chromoly steel, these bolts are designed to withstand the high-torque loads and vibrations inherent in high-performance driving. The black oxide finish provides excellent corrosion resistance, ensuring long-term durability in your engine bay. Whether you are performing a clutch replacement or a full engine rebuild, using high-quality fasteners is critical to preventing flywheel separation and catastrophic engine failure. Trust the industry leader in fastener technology for your next build. Find this and other premium engine components 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 Flywheel Security for Porsche 911

Ensure your Porsche 911 drivetrain remains secure under extreme racing conditions with the Auto Racing Products (ARP) Pro Series Flywheel Bolt Kit. Engineered specifically for late-model Porsche 4-cylinder and 6-cylinder engines, these bolts provide superior clamping force compared to factory hardware.

Technical Specifications

  • Thread Size: 10mm x 1.25
  • Length: 0.770 inches
  • Material: Premium Chromoly Steel
  • Finish: Black Oxide Coating
  • Drive Style: Tri-Square
  • Quantity: Set of 9

Constructed from heat-treated chromoly steel, these bolts are designed to withstand the high-torque loads and vibrations inherent in high-performance driving. The black oxide finish provides excellent corrosion resistance, ensuring long-term durability in your engine bay. Whether you are performing a clutch replacement or a full engine rebuild, using high-quality fasteners is critical to preventing flywheel separation and catastrophic engine failure. Trust the industry leader in fastener technology for your next build. Find this and other premium engine components at GGCRACING.

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