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You are watching: Dodge 4.7 exhaust manifold bolt size

I to be wondering if anyone has actually used stainless stole bolts in your manifold? ns was going come go through the phase 8"s, yet they"re too quick so I"m trying to use something that won"t rust however still be solid enough to perform the job. This is on my 01 4.7 which has aluminum heads. Will certainly the stainless steel/aluminum combo reason problems? like come to be permanently fused together or loosening much more than regular black oxide bolts? i figured I"d ask as I didn"t desire to take any chances. Will certainly they have the ability to take the 18ft-lbs that torque? thanks!


x2 send an email to stage 8 and also they"ll offer you a component number come order from Summit RacingSteveDOC Pres
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The stage 8 part number is 8916 which is 25mm in length, too quick for his application according come him. It can"t hurt to give them a call anyways, possibly they"ll sell something not listed. If they don"t, ARP is the way to go.

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yet I really need the flange head as, if not, they"ll recess in too much unless I use some washers. I referred to as Stage 8 and they don"t market anything in 45mm length. ARP is the just one i can discover who has actually the flange bolts, still hunting!Which Anti-Seize have to be supplied with the Stainless bolts going right into Aluminum?Nickel Anti-Seize Lubricant: Protects steel parts native seizing and galling at temperatures approximately 2400?F (1316?C). Copper-free, use under conditions of excessive pressure and temperature, and also with stainless steel, titanium and also nickel alloys.Copper Anti-Seize Lubricant: A premium high quality copper anti-seize and thread lubricant that might be supplied to prevent seizing, corrosion and also galling whereby high temperature conditions exist. Temperature range -30?F to 1800?F (-34?C to 982?C). Provides great electrical conductivity.Anti-Seize Lubricant: A hefty duty mix of aluminum, copper and also graphite lubricants in a petroleum base. Use during assembly to protect against galling, corrosion and seizing and also to assure less complicated disassembly. Inert, won"t evaporate or harden in too much temperatures. Salt, corrosion and moisture resistant. Temperature variety -60ºF to 1600ºF (-51?Cto 871?C).Those room all Permatex brand.