Description
A quality fastener kit is non-negotiable in high-performance applications where vibration and thermal cycling demand secure, reliable connections. The Allstar Performance Countersunk Bolt Kit delivers the precision hardware you need for engine bay work, chassis fabrication, and component assembly—with everything included so you’re not hunting for matching washers and lock nuts. Whether you’re building a race engine or securing critical brackets, this kit eliminates guesswork and ensures consistent, professional results across all your fastening points.
- Thread size: 1/4-20 in
- Length: 1 in
- Head style: Allen head
- Countersunk washers included
- Lock nuts included
- Quantity: 10 pieces
- Material: Steel
- Finish: Black zinc oxide
- Bolt-on fastening
- Universal fitment






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