Description
Stock header bolts fail under sustained high-heat cycling, leading to exhaust leaks and lost horsepower. ARP’s chromoly construction with black oxide finish provides the strength and heat resistance your LS engine demands, whether you’re tracking a street car or running competition. This 12-piece kit gives you the durability to keep your headers sealed tight, lap after lap.
- Material: 4130 chromoly
- Finish: Black oxide
- Thread size: 8mm x 1.25
- Length: 0.984 inches
- Head style: Hex
- Washers: Included
- Fitment: GM LS-series engines
- Quantity: Set of 12
- Installation: Bolt-on
- MPN: 134-1101
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