6 New Grade 8 zinc plated transfer case mounting studs and 6 new Grade 8 zinc plated free spinning washer nuts to attach the transfer case to the transmission compatible with Jeep and Dodge truck models that use 3/8" -16 thread into the transfer case and 3/8" -24 on the transmission side. Don't buy rusty old used ones when you can have new. These replace Mopar part numbers 4505365, 4746253, 4167922, J4006681, and 6033172. They are compatible with Jeep transfer cases NP231, NP241, NP208, NP242, NP247, NV241OR, Dana 300 and all Atlas used in YJ, TJ, LJ, JK, JKU, CJ5, CJ7, CJ8, MJ, SJ, XJ, ZJ, WJ, KJ and KK. They also are compatible with Dodge trucks with NP231, NP241, NP205, including: D150 84-89, D250 84-89, D350 84-89, Dakota 87-89, W150 84-93, W250 84-93, Ramcharger 84-93, Ram 1500 94-02, Ram 2500 94-02, Ram 3500 94-02 and Nitro 07-11. They do not fit 03-12 Dodge trucks with NV271D or NV273D transfer cases. Made in the USA. Note: These are intentionally tight fitting to withstand vibration in the drivetrain. Do not chase the threads to loosen the fit.