The ARP main studs are an upgrade to the factory bolts that may stretch over time. These include the studs, hardened washers, 12-point nuts, and ARPs moly lube. These fit all years DSMs, Galant VR-4, and Mitsubishi Lancer Evolution up to EVO 9.
These studs are required with the installation of our billet main caps.
This product was added to our catalog on Thursday 26 June, 2008.