so whats the opinion on the head studs for the 6.7l 425's or 625's ? just curious I wanna do mine just looking for opinions
so whats the opinion on the head studs for the 6.7l 425's or 625's ? just curious I wanna do mine just looking for opinions
My opinion 625's. Here is a link about the same topic lots of good opinions and questions in this thread. My opinion as well as several others are in there.
https://www.igotacummins.com/threads...ARP-425-vs-625
I went with the 625's because once you put them in that's it. With the 425's you have to go back in and re-torque them big pain the a$$. For the difference of about $500 IMO it's worth it.
2014 Ram Laramie 3500 CCSB 6.7 Cummins. 3.42 gears. EGR Delete. Flo~Pro 5 inch TBE. ARP 625's. GDP grid delete and S2. 464 BMP Turbo on 2nd Gen Manifold. BD Exhaust Brake. Fass 150G Fuel System. BBI 1.5's. Exergy 10mm Stroker Pump. RevMax 68RFE 700 Series. Dual remote oil filters. Thuren coils. Carli progressive leafs with Thuren Kings 2.5. AMP Steps. Snow Performance Water/Meth Stage 2. BDS Recoil Traction Bars.
Nitto Ridge Grapplers 35's on 20 x 10 Fuel Vapors.
Either way you go, give Ray @Double R Diesel a call he handles ARP
2014 Ram Laramie 3500 CCSB 6.7 Cummins. 3.42 gears. EGR Delete. Flo~Pro 5 inch TBE. ARP 625's. GDP grid delete and S2. 464 BMP Turbo on 2nd Gen Manifold. BD Exhaust Brake. Fass 150G Fuel System. BBI 1.5's. Exergy 10mm Stroker Pump. RevMax 68RFE 700 Series. Dual remote oil filters. Thuren coils. Carli progressive leafs with Thuren Kings 2.5. AMP Steps. Snow Performance Water/Meth Stage 2. BDS Recoil Traction Bars.
Nitto Ridge Grapplers 35's on 20 x 10 Fuel Vapors.
whats the price of the 625's?
Pm Ray @Double R Diesel I can't speak for him, but he'll get you a good deal.
2014 Ram Laramie 3500 CCSB 6.7 Cummins. 3.42 gears. EGR Delete. Flo~Pro 5 inch TBE. ARP 625's. GDP grid delete and S2. 464 BMP Turbo on 2nd Gen Manifold. BD Exhaust Brake. Fass 150G Fuel System. BBI 1.5's. Exergy 10mm Stroker Pump. RevMax 68RFE 700 Series. Dual remote oil filters. Thuren coils. Carli progressive leafs with Thuren Kings 2.5. AMP Steps. Snow Performance Water/Meth Stage 2. BDS Recoil Traction Bars.
Nitto Ridge Grapplers 35's on 20 x 10 Fuel Vapors.
You can torque the 625s to a higher value without an issue of them stretching or breaking. Under most applications 425's work just fine.
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