Dart Bolt Sleeve 63300010

Dart cylinder head bolt sleeves are manufactured from high-quality brass and are designed to seal the area where the head bolt or stud protrudes through the intake and exhaust ports. They are commonly used on CNC-ported aluminum big block Chevrolet cylinder heads. Order the size needed for your application.

• Cylinder Head Bolt Sleeve
• 0.500 in OD - 2.800 in Long
• Brass, Natural
• Sold as Each
• MPN: 63300010