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
