B & B Performance 9/16in Stepped Head Bolt Washers Chromoly Black Oxide (20) — For Aluminum Heads

SKU: GBSC_30440
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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 B & B Performance

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

Enhance Head Gasket Sealing with B&B Performance 9/16in Stepped Head Bolt Washers

Achieve superior clamping force and protect your valuable aluminum cylinder heads with the B&B Performance 9/16in Stepped Head Bolt Washers. These specialized washers are meticulously engineered to provide optimal load distribution beneath your head bolts, crucial for maintaining consistent torque and preventing head gasket failure, especially in high-performance engine builds. Crafted from robust chromoly steel and finished with a durable black oxide coating, they offer exceptional strength and corrosion resistance.

Precision Design for Aluminum Cylinder Heads

The unique stepped design of these washers is specifically tailored to accommodate the geometry of many aluminum cylinder heads, ensuring proper seating and preventing damage to the head surface during torquing. With a precise 0.563-inch inner diameter (9/16in) and a 0.995-inch outer diameter, coupled with a 0.685-inch insert OD, these washers provide the exact fitment required for critical engine assemblies. The chromoly construction guarantees they can withstand extreme pressures and temperatures without deformation.

  • Application: Specifically for Head Bolts on Aluminum Cylinder Heads
  • Inner Diameter: 0.563 inches (9/16 inch)
  • Outer Diameter: 0.995 inches
  • Insert Outer Diameter: 0.685 inches
  • Thickness: 0.195 inches
  • Material: High-Strength Chromoly Steel
  • Finish: Black Oxide for Durability and Corrosion Protection
  • Quantity: Set of 20 Washers
  • Benefit: Prevents Head Damage, Improves Clamping Force

Uncompromising Quality for Engine Builders

B&B Performance stepped head bolt washers are an indispensable component for any serious engine builder looking to maximize reliability and performance. By providing a stable and consistent clamping surface, they contribute directly to the longevity of your head gaskets and the overall integrity of your engine. Invest in the best to protect your investment. Find premium engine components at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About B & B Performance

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

Enhance Head Gasket Sealing with B&B Performance 9/16in Stepped Head Bolt Washers

Achieve superior clamping force and protect your valuable aluminum cylinder heads with the B&B Performance 9/16in Stepped Head Bolt Washers. These specialized washers are meticulously engineered to provide optimal load distribution beneath your head bolts, crucial for maintaining consistent torque and preventing head gasket failure, especially in high-performance engine builds. Crafted from robust chromoly steel and finished with a durable black oxide coating, they offer exceptional strength and corrosion resistance.

Precision Design for Aluminum Cylinder Heads

The unique stepped design of these washers is specifically tailored to accommodate the geometry of many aluminum cylinder heads, ensuring proper seating and preventing damage to the head surface during torquing. With a precise 0.563-inch inner diameter (9/16in) and a 0.995-inch outer diameter, coupled with a 0.685-inch insert OD, these washers provide the exact fitment required for critical engine assemblies. The chromoly construction guarantees they can withstand extreme pressures and temperatures without deformation.

  • Application: Specifically for Head Bolts on Aluminum Cylinder Heads
  • Inner Diameter: 0.563 inches (9/16 inch)
  • Outer Diameter: 0.995 inches
  • Insert Outer Diameter: 0.685 inches
  • Thickness: 0.195 inches
  • Material: High-Strength Chromoly Steel
  • Finish: Black Oxide for Durability and Corrosion Protection
  • Quantity: Set of 20 Washers
  • Benefit: Prevents Head Damage, Improves Clamping Force

Uncompromising Quality for Engine Builders

B&B Performance stepped head bolt washers are an indispensable component for any serious engine builder looking to maximize reliability and performance. By providing a stable and consistent clamping surface, they contribute directly to the longevity of your head gaskets and the overall integrity of your engine. Invest in the best to protect your investment. Find premium engine components at GGCRACING.

Product Details

Product Description

About B & B Performance

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

Enhance Head Gasket Sealing with B&B Performance 9/16in Stepped Head Bolt Washers

Achieve superior clamping force and protect your valuable aluminum cylinder heads with the B&B Performance 9/16in Stepped Head Bolt Washers. These specialized washers are meticulously engineered to provide optimal load distribution beneath your head bolts, crucial for maintaining consistent torque and preventing head gasket failure, especially in high-performance engine builds. Crafted from robust chromoly steel and finished with a durable black oxide coating, they offer exceptional strength and corrosion resistance.

Precision Design for Aluminum Cylinder Heads

The unique stepped design of these washers is specifically tailored to accommodate the geometry of many aluminum cylinder heads, ensuring proper seating and preventing damage to the head surface during torquing. With a precise 0.563-inch inner diameter (9/16in) and a 0.995-inch outer diameter, coupled with a 0.685-inch insert OD, these washers provide the exact fitment required for critical engine assemblies. The chromoly construction guarantees they can withstand extreme pressures and temperatures without deformation.

  • Application: Specifically for Head Bolts on Aluminum Cylinder Heads
  • Inner Diameter: 0.563 inches (9/16 inch)
  • Outer Diameter: 0.995 inches
  • Insert Outer Diameter: 0.685 inches
  • Thickness: 0.195 inches
  • Material: High-Strength Chromoly Steel
  • Finish: Black Oxide for Durability and Corrosion Protection
  • Quantity: Set of 20 Washers
  • Benefit: Prevents Head Damage, Improves Clamping Force

Uncompromising Quality for Engine Builders

B&B Performance stepped head bolt washers are an indispensable component for any serious engine builder looking to maximize reliability and performance. By providing a stable and consistent clamping surface, they contribute directly to the longevity of your head gaskets and the overall integrity of your engine. Invest in the best to protect your investment. Find premium engine components at GGCRACING.

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