Description
Factory header bolts stretch and fail under sustained heat and boost, compromising your exhaust seal and power delivery. ARP’s chromoly construction with black oxide finish resists thermal cycling and corrosion far better than OEM fasteners, ensuring consistent clamping force across repeated heat cycles. This kit gives you the reliability and repeatability that serious LS builds demand.
- 8mm x 1.25 thread
- 1.181″ length
- Hex head design
- Chromoly construction
- Black oxide coating
- Washers included
- Set of 12 bolts
- GM LS-series fitment
- MPN: 134-1102
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