Brand: Automotive Racing Products (ARP)
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These ultra-high-performance ARP Head Studs are constructed of premium austenitic stainless steel for the ultimate in reliability in the most demanding racing applications. The threads are rolled (not cut) after heat-treatment (not before) for greater precision and strength. This process costs more, but it ensures the highest quality product.
This kit includes 24 M10 studs; 24 flanged nuts with 12-point heads; 24 hardened, parallel-ground washers; and a packet of ARP assembly lubricant. Fits flat-6 air-cooled Porsche 911 engines in 2.0L through 3.8L capacity including Turbo engines. Not for 4-cylinder 912 / 914 or any water-cooled engines.