March Performance 6311 6-Rib Aluminum Crankshaft Pulley — Performance Ratio, Long Water Pump SBC

SKU: BFKS_6311
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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

Maximize SBC Power with March Performance 6311 Crankshaft Pulley

Unlock the full potential of your Small Block Chevy engine with the March Performance 6311 Crankshaft Pulley. This high-performance 6-rib serpentine pulley is engineered with a performance ratio, specifically designed for SBC applications utilizing a long water pump. By optimizing the rotational speed of your accessories, this pulley helps reduce parasitic drag, translating into more usable horsepower at the wheels.

Precision Machined for SBC Long Water Pump

Crafted from premium billet aluminum, the 6311 crankshaft pulley boasts exceptional durability and a lightweight design. Its 5.75-inch diameter is precisely engineered for optimal belt alignment and stability within your accessory drive system. The clear powder coat finish not only provides a sleek, custom look but also offers superior resistance to corrosion and wear, ensuring long-lasting performance and aesthetics. Installation is straightforward, with all necessary hardware included.

  • Engine Application: Small Block Chevy (SBC)
  • Water Pump Type: Long Water Pump
  • Pulley Type: Crankshaft
  • Belt System: 6-Rib Serpentine
  • Ratio: Performance Ratio
  • Diameter: 5.75 inches
  • Material: Billet Aluminum
  • Finish: Clear Powder Coat
  • Included: Mounting Hardware

The March Performance Advantage for Your Crankshaft

The March Performance 6311 crankshaft pulley is an essential upgrade for any serious SBC enthusiast. Its performance ratio and robust construction ensure reliable operation and a noticeable improvement in engine efficiency. Experience the difference that precision engineering makes in your vehicle's performance with this top-tier component from March Performance, available at GGCRACING.COM.

Product Details

Product Description
Part Numbers
Sizing & Fit

Maximize SBC Power with March Performance 6311 Crankshaft Pulley

Unlock the full potential of your Small Block Chevy engine with the March Performance 6311 Crankshaft Pulley. This high-performance 6-rib serpentine pulley is engineered with a performance ratio, specifically designed for SBC applications utilizing a long water pump. By optimizing the rotational speed of your accessories, this pulley helps reduce parasitic drag, translating into more usable horsepower at the wheels.

Precision Machined for SBC Long Water Pump

Crafted from premium billet aluminum, the 6311 crankshaft pulley boasts exceptional durability and a lightweight design. Its 5.75-inch diameter is precisely engineered for optimal belt alignment and stability within your accessory drive system. The clear powder coat finish not only provides a sleek, custom look but also offers superior resistance to corrosion and wear, ensuring long-lasting performance and aesthetics. Installation is straightforward, with all necessary hardware included.

  • Engine Application: Small Block Chevy (SBC)
  • Water Pump Type: Long Water Pump
  • Pulley Type: Crankshaft
  • Belt System: 6-Rib Serpentine
  • Ratio: Performance Ratio
  • Diameter: 5.75 inches
  • Material: Billet Aluminum
  • Finish: Clear Powder Coat
  • Included: Mounting Hardware

The March Performance Advantage for Your Crankshaft

The March Performance 6311 crankshaft pulley is an essential upgrade for any serious SBC enthusiast. Its performance ratio and robust construction ensure reliable operation and a noticeable improvement in engine efficiency. Experience the difference that precision engineering makes in your vehicle's performance with this top-tier component from March Performance, available at GGCRACING.COM.

Product Details

Product Description

Maximize SBC Power with March Performance 6311 Crankshaft Pulley

Unlock the full potential of your Small Block Chevy engine with the March Performance 6311 Crankshaft Pulley. This high-performance 6-rib serpentine pulley is engineered with a performance ratio, specifically designed for SBC applications utilizing a long water pump. By optimizing the rotational speed of your accessories, this pulley helps reduce parasitic drag, translating into more usable horsepower at the wheels.

Precision Machined for SBC Long Water Pump

Crafted from premium billet aluminum, the 6311 crankshaft pulley boasts exceptional durability and a lightweight design. Its 5.75-inch diameter is precisely engineered for optimal belt alignment and stability within your accessory drive system. The clear powder coat finish not only provides a sleek, custom look but also offers superior resistance to corrosion and wear, ensuring long-lasting performance and aesthetics. Installation is straightforward, with all necessary hardware included.

  • Engine Application: Small Block Chevy (SBC)
  • Water Pump Type: Long Water Pump
  • Pulley Type: Crankshaft
  • Belt System: 6-Rib Serpentine
  • Ratio: Performance Ratio
  • Diameter: 5.75 inches
  • Material: Billet Aluminum
  • Finish: Clear Powder Coat
  • Included: Mounting Hardware

The March Performance Advantage for Your Crankshaft

The March Performance 6311 crankshaft pulley is an essential upgrade for any serious SBC enthusiast. Its performance ratio and robust construction ensure reliable operation and a noticeable improvement in engine efficiency. Experience the difference that precision engineering makes in your vehicle's performance with this top-tier component from March Performance, available at GGCRACING.COM.

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