ARP Head Studs Mitsubishi Mitsubishi Eclipse 1990-1999

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ARP 4G63T head studs feature an undercut design with 12-point nuts for optimal sealing and torque. Each ARP stud is made from 8740 alloy, rated higher than aircraft quality, and heat treated to 200,000psi. These studs are then centerless ground for perfect concentric design followed by thread-rolling. In addition, ARP studs are undercut, which equalizes the stretch on the stud, making for more consistent clamping, and compensating for head gasket compression for improved sealing. Finally, they use a 12-point nut design and parallel ground washers for optimal seating and reliability.

Actual studs will differ from photo.
Be sure you know wether you have a 6 bolt or a 7 bolt 4G63 before ordering.


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