ARP Pro Series Flexplate Bolt Kit Mopar 5.7L 6.1L Hemi Chromoly — Fits 426 Hemi

SKU: BQDN_147-2902
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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.

Maximize Hemi Power: ARP Pro Series Flexplate Bolt Kit for Mopar 5.7L/6.1L

Unleash the full, uncompromised power of your Mopar 5.7L, 6.1L, or even the legendary 426 Hemi with the ARP Pro Series Flexplate Bolt Kit. In high-performance Hemi applications, the flexplate is a critical component, bridging the crankshaft to the torque converter. The immense torque and rapid RPM changes generated by these engines place extraordinary stress on flexplate fasteners. OEM bolts are often a weak link, susceptible to stretching and failure, which can lead to catastrophic drivetrain damage and significant power loss. ARP's Pro Series bolts are engineered to eliminate this vulnerability entirely.This kit is the result of ARP's relentless pursuit of perfection, designed to provide superior clamping force and resilience under the most extreme conditions. Each bolt ensures your flexplate remains perfectly aligned and securely attached, guaranteeing efficient power transfer and protecting your valuable engine and transmission. Whether you're building a drag car, a track machine, or simply demand the best for your street Hemi, the ARP Pro Series is the definitive choice for unwavering reliability.

Key Features & Pro Series Engineering:

  • Ultimate Pro Series Strength: Forged from ARP's proprietary chromoly steel, these bolts deliver exceptional tensile strength and fatigue resistance, specifically engineered for the high-stress environment of high-horsepower Hemi engines.
  • Precision Hemi Fitment: Features a precise 10 mm x 1.00 thread and a compact 0.700-inch underhead length, ensuring perfect engagement and maximum clamping load for Mopar 5.7L, 6.1L, and 426 Hemi flexplates.
  • Enhanced Torque Application: The robust 12-point head design allows for higher torque values and provides easier, more reliable installation and removal, minimizing the risk of fastener damage during critical assembly.
  • Superior Corrosion Protection: Each bolt is treated with a durable black oxide coating, offering excellent resistance against rust, corrosion, and the harsh underhood environment, ensuring long-term reliability and performance.
  • Comprehensive Kit: Supplied as a complete set of eight bolts, providing all necessary hardware for a robust, secure, and dependable flexplate installation.

Vehicle Fitment:

  • Specifically designed for Mopar 5.7L Hemi, 6.1L Hemi, and 426 Hemi engines equipped with automatic transmissions. Please verify your specific year and model for compatibility.
  • MPN: 147-2902

Technical Specifications:

  • Series: Pro Series
  • Material: High-Strength Chromoly Steel
  • Finish: Black Oxide
  • Thread Size: 10 mm x 1.00
  • Underhead Length: 0.700 inches
  • Head Style: 12-Point
  • Quantity: Set of 8
For the ultimate in drivetrain security and performance, trust the ARP Pro Series Flexplate Bolt Kit. It's an investment in the longevity and reliability of your powerful Hemi. Discover more high-performance Mopar solutions 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.

Maximize Hemi Power: ARP Pro Series Flexplate Bolt Kit for Mopar 5.7L/6.1L

Unleash the full, uncompromised power of your Mopar 5.7L, 6.1L, or even the legendary 426 Hemi with the ARP Pro Series Flexplate Bolt Kit. In high-performance Hemi applications, the flexplate is a critical component, bridging the crankshaft to the torque converter. The immense torque and rapid RPM changes generated by these engines place extraordinary stress on flexplate fasteners. OEM bolts are often a weak link, susceptible to stretching and failure, which can lead to catastrophic drivetrain damage and significant power loss. ARP's Pro Series bolts are engineered to eliminate this vulnerability entirely.This kit is the result of ARP's relentless pursuit of perfection, designed to provide superior clamping force and resilience under the most extreme conditions. Each bolt ensures your flexplate remains perfectly aligned and securely attached, guaranteeing efficient power transfer and protecting your valuable engine and transmission. Whether you're building a drag car, a track machine, or simply demand the best for your street Hemi, the ARP Pro Series is the definitive choice for unwavering reliability.

Key Features & Pro Series Engineering:

  • Ultimate Pro Series Strength: Forged from ARP's proprietary chromoly steel, these bolts deliver exceptional tensile strength and fatigue resistance, specifically engineered for the high-stress environment of high-horsepower Hemi engines.
  • Precision Hemi Fitment: Features a precise 10 mm x 1.00 thread and a compact 0.700-inch underhead length, ensuring perfect engagement and maximum clamping load for Mopar 5.7L, 6.1L, and 426 Hemi flexplates.
  • Enhanced Torque Application: The robust 12-point head design allows for higher torque values and provides easier, more reliable installation and removal, minimizing the risk of fastener damage during critical assembly.
  • Superior Corrosion Protection: Each bolt is treated with a durable black oxide coating, offering excellent resistance against rust, corrosion, and the harsh underhood environment, ensuring long-term reliability and performance.
  • Comprehensive Kit: Supplied as a complete set of eight bolts, providing all necessary hardware for a robust, secure, and dependable flexplate installation.

Vehicle Fitment:

  • Specifically designed for Mopar 5.7L Hemi, 6.1L Hemi, and 426 Hemi engines equipped with automatic transmissions. Please verify your specific year and model for compatibility.
  • MPN: 147-2902

Technical Specifications:

  • Series: Pro Series
  • Material: High-Strength Chromoly Steel
  • Finish: Black Oxide
  • Thread Size: 10 mm x 1.00
  • Underhead Length: 0.700 inches
  • Head Style: 12-Point
  • Quantity: Set of 8
For the ultimate in drivetrain security and performance, trust the ARP Pro Series Flexplate Bolt Kit. It's an investment in the longevity and reliability of your powerful Hemi. Discover more high-performance Mopar solutions 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.

Maximize Hemi Power: ARP Pro Series Flexplate Bolt Kit for Mopar 5.7L/6.1L

Unleash the full, uncompromised power of your Mopar 5.7L, 6.1L, or even the legendary 426 Hemi with the ARP Pro Series Flexplate Bolt Kit. In high-performance Hemi applications, the flexplate is a critical component, bridging the crankshaft to the torque converter. The immense torque and rapid RPM changes generated by these engines place extraordinary stress on flexplate fasteners. OEM bolts are often a weak link, susceptible to stretching and failure, which can lead to catastrophic drivetrain damage and significant power loss. ARP's Pro Series bolts are engineered to eliminate this vulnerability entirely.This kit is the result of ARP's relentless pursuit of perfection, designed to provide superior clamping force and resilience under the most extreme conditions. Each bolt ensures your flexplate remains perfectly aligned and securely attached, guaranteeing efficient power transfer and protecting your valuable engine and transmission. Whether you're building a drag car, a track machine, or simply demand the best for your street Hemi, the ARP Pro Series is the definitive choice for unwavering reliability.

Key Features & Pro Series Engineering:

  • Ultimate Pro Series Strength: Forged from ARP's proprietary chromoly steel, these bolts deliver exceptional tensile strength and fatigue resistance, specifically engineered for the high-stress environment of high-horsepower Hemi engines.
  • Precision Hemi Fitment: Features a precise 10 mm x 1.00 thread and a compact 0.700-inch underhead length, ensuring perfect engagement and maximum clamping load for Mopar 5.7L, 6.1L, and 426 Hemi flexplates.
  • Enhanced Torque Application: The robust 12-point head design allows for higher torque values and provides easier, more reliable installation and removal, minimizing the risk of fastener damage during critical assembly.
  • Superior Corrosion Protection: Each bolt is treated with a durable black oxide coating, offering excellent resistance against rust, corrosion, and the harsh underhood environment, ensuring long-term reliability and performance.
  • Comprehensive Kit: Supplied as a complete set of eight bolts, providing all necessary hardware for a robust, secure, and dependable flexplate installation.

Vehicle Fitment:

  • Specifically designed for Mopar 5.7L Hemi, 6.1L Hemi, and 426 Hemi engines equipped with automatic transmissions. Please verify your specific year and model for compatibility.
  • MPN: 147-2902

Technical Specifications:

  • Series: Pro Series
  • Material: High-Strength Chromoly Steel
  • Finish: Black Oxide
  • Thread Size: 10 mm x 1.00
  • Underhead Length: 0.700 inches
  • Head Style: 12-Point
  • Quantity: Set of 8
For the ultimate in drivetrain security and performance, trust the ARP Pro Series Flexplate Bolt Kit. It's an investment in the longevity and reliability of your powerful Hemi. Discover more high-performance Mopar solutions at GGCRACING.

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