ARP Head Insert Washer

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  • Regular price $59.00


Product Description

 

ARP insert washers are designed to protect the top of the bolt holes from galling or collapsing around studs or bolts, giving the ultimate clamping ability of the fastner. They are fully CNC-machined from premium through-hardened 8740 stock.

Ultimate protection for the ally cylinder head when running upgraded head studs.