ARP Engine Main Stud Kit For Rover V8 - Land Rover Discovery I, Discovery Series II, Range Rover P38, And Defender 90

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These ARP main studs are made from 8740 chromemoly steel and have a 190,000 psi tensile-strength rating. They are precision centerless-ground and thread-rolled to Mil-S-8879 specs, with a black oxide finish for corrosion resistance. The kits come complete with hardened washers and high-strength hex nuts.

Works with your 3.5 3.9 4.0. 4.2 4.6 or 4.9

We use these on all our High performance motor builds. Good for any high compression builds also. Overkill for just a stock rebuild.


Main Bolt Style   2-bolt
Fastener Style   Stud
Fastener Nut Style   Standard hex
Works with Windage Tray   No
Fastener Yield Strength (psi)   200,000 psi
Nuts Included   Yes
Washers Included   Yes
Quantity   Sold as a kit.


*Picture not depict actual item

ARP stands behind their products indefinitely with respect to materials and workmanship. Automotive Racing Products would like to deal with the customer directly when they have a problem. Automotive Racing Products is interested in customer satisfaction and will make exceptions on an individual and case-by-case basis.