Quarter Master 7/16-20 Flywheel Bolt Kit 12-Point — Fits Bert / Brinn

SKU: BJGP_505004
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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 Quarter Master

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

Watch in action

Heavy-Duty Fasteners for Bert and Brinn Transmissions

Designed specifically for the unique requirements of Bert and Brinn transmission setups, this Quarter Master Flywheel Bolt Kit offers the ultimate in reliability. These 7/16-20 bolts feature an extended 1.260-inch length, ensuring proper thread engagement for specialized racing flywheels. Built to handle the intense vibrations and torque spikes common in circle track racing, these fasteners are a must-have for any serious competitor.

Technical Specifications

  • Thread Pitch: 7/16-20
  • Length: 1.260 inches
  • Head: 12-Point high-strength head
  • Material: Heat-treated Chromoly
  • Finish: Durable Black Oxide
  • Compatibility: Optimized for Bert and Brinn systems
  • Set: 6-piece kit

The 12-point design is engineered for superior socket grip, allowing for precise torque application without the risk of rounding off the heads. By using high-tensile chromoly steel, these bolts provide the necessary clamping force to maintain a rigid connection between the crankshaft and the flywheel, preventing shearing or loosening during aggressive gear changes. Don't risk your engine's health with inferior hardware; choose the proven strength of Quarter Master fasteners. Get your high-performance hardware delivered fast from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Quarter Master

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

Watch in action

Heavy-Duty Fasteners for Bert and Brinn Transmissions

Designed specifically for the unique requirements of Bert and Brinn transmission setups, this Quarter Master Flywheel Bolt Kit offers the ultimate in reliability. These 7/16-20 bolts feature an extended 1.260-inch length, ensuring proper thread engagement for specialized racing flywheels. Built to handle the intense vibrations and torque spikes common in circle track racing, these fasteners are a must-have for any serious competitor.

Technical Specifications

  • Thread Pitch: 7/16-20
  • Length: 1.260 inches
  • Head: 12-Point high-strength head
  • Material: Heat-treated Chromoly
  • Finish: Durable Black Oxide
  • Compatibility: Optimized for Bert and Brinn systems
  • Set: 6-piece kit

The 12-point design is engineered for superior socket grip, allowing for precise torque application without the risk of rounding off the heads. By using high-tensile chromoly steel, these bolts provide the necessary clamping force to maintain a rigid connection between the crankshaft and the flywheel, preventing shearing or loosening during aggressive gear changes. Don't risk your engine's health with inferior hardware; choose the proven strength of Quarter Master fasteners. Get your high-performance hardware delivered fast from GGCRACING.

Product Details

Product Description

About Quarter Master

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

Watch in action

Heavy-Duty Fasteners for Bert and Brinn Transmissions

Designed specifically for the unique requirements of Bert and Brinn transmission setups, this Quarter Master Flywheel Bolt Kit offers the ultimate in reliability. These 7/16-20 bolts feature an extended 1.260-inch length, ensuring proper thread engagement for specialized racing flywheels. Built to handle the intense vibrations and torque spikes common in circle track racing, these fasteners are a must-have for any serious competitor.

Technical Specifications

  • Thread Pitch: 7/16-20
  • Length: 1.260 inches
  • Head: 12-Point high-strength head
  • Material: Heat-treated Chromoly
  • Finish: Durable Black Oxide
  • Compatibility: Optimized for Bert and Brinn systems
  • Set: 6-piece kit

The 12-point design is engineered for superior socket grip, allowing for precise torque application without the risk of rounding off the heads. By using high-tensile chromoly steel, these bolts provide the necessary clamping force to maintain a rigid connection between the crankshaft and the flywheel, preventing shearing or loosening during aggressive gear changes. Don't risk your engine's health with inferior hardware; choose the proven strength of Quarter Master fasteners. Get your high-performance hardware delivered fast from GGCRACING.

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