PRW Xtreme Duty Flexplate SFI 29.1 157T — 28oz External Balance 1963-82 SBF

SKU: FMJX_1830214
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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 PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

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28oz External Balance Flexplate for 1963-1982 SBF

Upgrade your classic 1963-1982 Small Block Ford with the PRW Xtreme Duty Platinum 157-tooth flexplate. Specifically engineered for engines requiring a 28oz external balance, this flexplate is a must-have for any performance-oriented restoration or engine build. With SFI 29.1 certification, you can be confident that your drivetrain is equipped with a component capable of handling increased horsepower and torque while meeting strict safety standards.

Performance Benefits

  • Engine Compatibility: Perfect fit for 289-351W engines from 1963-1982.
  • SFI 29.1 Certified: Ensures maximum safety and reliability on the track.
  • 28oz External Balance: Correctly weighted for classic SBF engine configurations.
  • 157-Tooth Design: Provides excellent starter engagement and fits common bellhousings.
  • Durable Steel Construction: Built to withstand high-torque loads and prevent failure.

When you are pushing your vintage Small Block Ford to its limits, you need components that can keep up. The PRW Xtreme Duty flexplate offers the perfect combination of strength and weight, ensuring your engine runs smoothly and your power is transferred efficiently. Its robust design is specifically tailored to handle the demands of performance driving, making it a superior alternative to stock units. Don't settle for less when it comes to your engine's reliability. Equip your vehicle with the best parts available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

28oz External Balance Flexplate for 1963-1982 SBF

Upgrade your classic 1963-1982 Small Block Ford with the PRW Xtreme Duty Platinum 157-tooth flexplate. Specifically engineered for engines requiring a 28oz external balance, this flexplate is a must-have for any performance-oriented restoration or engine build. With SFI 29.1 certification, you can be confident that your drivetrain is equipped with a component capable of handling increased horsepower and torque while meeting strict safety standards.

Performance Benefits

  • Engine Compatibility: Perfect fit for 289-351W engines from 1963-1982.
  • SFI 29.1 Certified: Ensures maximum safety and reliability on the track.
  • 28oz External Balance: Correctly weighted for classic SBF engine configurations.
  • 157-Tooth Design: Provides excellent starter engagement and fits common bellhousings.
  • Durable Steel Construction: Built to withstand high-torque loads and prevent failure.

When you are pushing your vintage Small Block Ford to its limits, you need components that can keep up. The PRW Xtreme Duty flexplate offers the perfect combination of strength and weight, ensuring your engine runs smoothly and your power is transferred efficiently. Its robust design is specifically tailored to handle the demands of performance driving, making it a superior alternative to stock units. Don't settle for less when it comes to your engine's reliability. Equip your vehicle with the best parts available at GGCRACING.

Product Details

Product Description

About PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

28oz External Balance Flexplate for 1963-1982 SBF

Upgrade your classic 1963-1982 Small Block Ford with the PRW Xtreme Duty Platinum 157-tooth flexplate. Specifically engineered for engines requiring a 28oz external balance, this flexplate is a must-have for any performance-oriented restoration or engine build. With SFI 29.1 certification, you can be confident that your drivetrain is equipped with a component capable of handling increased horsepower and torque while meeting strict safety standards.

Performance Benefits

  • Engine Compatibility: Perfect fit for 289-351W engines from 1963-1982.
  • SFI 29.1 Certified: Ensures maximum safety and reliability on the track.
  • 28oz External Balance: Correctly weighted for classic SBF engine configurations.
  • 157-Tooth Design: Provides excellent starter engagement and fits common bellhousings.
  • Durable Steel Construction: Built to withstand high-torque loads and prevent failure.

When you are pushing your vintage Small Block Ford to its limits, you need components that can keep up. The PRW Xtreme Duty flexplate offers the perfect combination of strength and weight, ensuring your engine runs smoothly and your power is transferred efficiently. Its robust design is specifically tailored to handle the demands of performance driving, making it a superior alternative to stock units. Don't settle for less when it comes to your engine's reliability. Equip your vehicle with the best parts available at GGCRACING.

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