FEL-PRO Small Block Ford MLS Head Gasket 4.100 Bore .0425 — Fits SBF Engines

SKU: BCWV_1133 SD-4
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Advanced MLS Technology for Small Block FordTake your Small Block ...Read More

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Sale price$109.99
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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

Advanced MLS Technology for Small Block Ford

Take your Small Block Ford (SBF) to the next level with the Fel-Pro 1133SD-4 Multi-Layer Steel (MLS) head gasket. Designed for high-performance applications, this gasket utilizes advanced multi-layer steel technology to provide a superior seal that stands up to increased cylinder pressures and extreme heat. It is the ideal choice for enthusiasts pushing their SBF engines to the limit.

Technical Highlights

  • Bore Diameter: 4.100 inches
  • Compressed Thickness: 0.043 inches
  • Material: Multi-Layer Steel (MLS)
  • Application: Small Block Ford

The MLS construction provides excellent recovery and seal integrity, making it far more durable than traditional composition gaskets. The active sealing layers conform to surface irregularities, ensuring a leak-free environment even in engines with high-output modifications. This gasket is engineered to maintain consistent clamping force across the entire head surface, which is critical for preventing head lifting and combustion gas leakage. Whether you are building a street-strip warrior or a dedicated track car, the Fel-Pro 1133SD-4 offers the reliability and performance you need to win. Enhance your engine's durability today with premium components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Advanced MLS Technology for Small Block Ford

Take your Small Block Ford (SBF) to the next level with the Fel-Pro 1133SD-4 Multi-Layer Steel (MLS) head gasket. Designed for high-performance applications, this gasket utilizes advanced multi-layer steel technology to provide a superior seal that stands up to increased cylinder pressures and extreme heat. It is the ideal choice for enthusiasts pushing their SBF engines to the limit.

Technical Highlights

  • Bore Diameter: 4.100 inches
  • Compressed Thickness: 0.043 inches
  • Material: Multi-Layer Steel (MLS)
  • Application: Small Block Ford

The MLS construction provides excellent recovery and seal integrity, making it far more durable than traditional composition gaskets. The active sealing layers conform to surface irregularities, ensuring a leak-free environment even in engines with high-output modifications. This gasket is engineered to maintain consistent clamping force across the entire head surface, which is critical for preventing head lifting and combustion gas leakage. Whether you are building a street-strip warrior or a dedicated track car, the Fel-Pro 1133SD-4 offers the reliability and performance you need to win. Enhance your engine's durability today with premium components from GGCRACING.

Product Details

Product Description

Advanced MLS Technology for Small Block Ford

Take your Small Block Ford (SBF) to the next level with the Fel-Pro 1133SD-4 Multi-Layer Steel (MLS) head gasket. Designed for high-performance applications, this gasket utilizes advanced multi-layer steel technology to provide a superior seal that stands up to increased cylinder pressures and extreme heat. It is the ideal choice for enthusiasts pushing their SBF engines to the limit.

Technical Highlights

  • Bore Diameter: 4.100 inches
  • Compressed Thickness: 0.043 inches
  • Material: Multi-Layer Steel (MLS)
  • Application: Small Block Ford

The MLS construction provides excellent recovery and seal integrity, making it far more durable than traditional composition gaskets. The active sealing layers conform to surface irregularities, ensuring a leak-free environment even in engines with high-output modifications. This gasket is engineered to maintain consistent clamping force across the entire head surface, which is critical for preventing head lifting and combustion gas leakage. Whether you are building a street-strip warrior or a dedicated track car, the Fel-Pro 1133SD-4 offers the reliability and performance you need to win. Enhance your engine's durability today with premium components from GGCRACING.

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