Darton Sleeve SBC Bow Tie Cylinder Sleeve 4.120 Bore — Fits Small Block Chevy

SKU: GBWG_100-2003
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About Darton Sleeve Darton Sleeve engineers high-quality automotive parts and ...Read More

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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 Darton Sleeve

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

Precision Engineering for SBC Bow Tie Blocks

When rebuilding a Small Block Chevy Bow Tie block, cylinder integrity is paramount. The Darton Sleeve 100-2003 is engineered to provide superior structural support and wear resistance for high-performance engine builds. Crafted from premium-grade steel, this sleeve is designed to handle the increased cylinder pressures found in racing and high-output street applications.

Technical Specifications

  • Bore Diameter: 4.120 inches
  • Outer Diameter: 4.272 inches
  • Wall Thickness: 0.076 inches
  • Sleeve Height: 5.545 inches
  • Material: High-Strength Steel

This replacement cylinder sleeve ensures a perfect fit for specific Bow Tie block configurations, offering excellent heat dissipation and reduced friction. Whether you are performing a full engine overhaul or addressing localized cylinder wall damage, Darton Sleeves provide the professional-grade reliability required for competitive motorsports. Their advanced metallurgy ensures that your engine maintains consistent compression and oil control under extreme load. Trust the experts at GGCRACING to supply the high-performance components your build demands.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Darton Sleeve

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

Precision Engineering for SBC Bow Tie Blocks

When rebuilding a Small Block Chevy Bow Tie block, cylinder integrity is paramount. The Darton Sleeve 100-2003 is engineered to provide superior structural support and wear resistance for high-performance engine builds. Crafted from premium-grade steel, this sleeve is designed to handle the increased cylinder pressures found in racing and high-output street applications.

Technical Specifications

  • Bore Diameter: 4.120 inches
  • Outer Diameter: 4.272 inches
  • Wall Thickness: 0.076 inches
  • Sleeve Height: 5.545 inches
  • Material: High-Strength Steel

This replacement cylinder sleeve ensures a perfect fit for specific Bow Tie block configurations, offering excellent heat dissipation and reduced friction. Whether you are performing a full engine overhaul or addressing localized cylinder wall damage, Darton Sleeves provide the professional-grade reliability required for competitive motorsports. Their advanced metallurgy ensures that your engine maintains consistent compression and oil control under extreme load. Trust the experts at GGCRACING to supply the high-performance components your build demands.

Product Details

Product Description

About Darton Sleeve

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

Precision Engineering for SBC Bow Tie Blocks

When rebuilding a Small Block Chevy Bow Tie block, cylinder integrity is paramount. The Darton Sleeve 100-2003 is engineered to provide superior structural support and wear resistance for high-performance engine builds. Crafted from premium-grade steel, this sleeve is designed to handle the increased cylinder pressures found in racing and high-output street applications.

Technical Specifications

  • Bore Diameter: 4.120 inches
  • Outer Diameter: 4.272 inches
  • Wall Thickness: 0.076 inches
  • Sleeve Height: 5.545 inches
  • Material: High-Strength Steel

This replacement cylinder sleeve ensures a perfect fit for specific Bow Tie block configurations, offering excellent heat dissipation and reduced friction. Whether you are performing a full engine overhaul or addressing localized cylinder wall damage, Darton Sleeves provide the professional-grade reliability required for competitive motorsports. Their advanced metallurgy ensures that your engine maintains consistent compression and oil control under extreme load. Trust the experts at GGCRACING to supply the high-performance components your build demands.

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