$1,495.00

Gen-4 Head Stud Kit
[Years: 08-10]

Gen-4 Head Stud Kit
Gen-4 Vipers have very small fasteners holding the heads and main caps to the block. Dodge has downsized the fasteners from 1/2-20 [roughly M13] to M12 on the Mains, and a very small M11 on the heads, costing an extreme amount of strength in doing so. We have developed a set of replacement studs, which allow you to not only match, but exceed the strength of the 1/2-20 studs of the previous generation. Our stud kits are 9/16-18, and offer almost 100% more clamp load than the factory fasteners.

These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. They are a must for any engine project approaching 800 horsepower at the crank, and will add life to any high powered engine assembled with them by reducing crank deflection under load.

This Pro series kits includes (24) studs, (24) 12-point nuts, (24) hardened parallel washers for even load distribution and accurate torque readings, and a packet of ARP Moly Lube.

Please Note: These studs require machine work to be performed to your engine block. The deck holes must be drilled and tapped for 9/16" Coarse, and the head bolt holes must be reamed to clear 9/16" studs. We can offer this machine work upon request. This Installation requires the use of 9/16" clearanced Head Gaskets. We can supply this change on request as part of a Custom MLS Gasket order.

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