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First if you can pick some ARP intake bolts, if not make sure you clean your originals, and chase the threads in the heads, make sure all surfaces are clean enough to eat off of, I use brake cleaner on a rag to wipe down all surfaces after the cleaning is done, also before I start cleaning I put down rags in the lifter valley and in the intake ports, water jackets, also plug the hole in front of the lifter valley where the distributor gear is exposed. Next get some all thread cut 4 pieces about 4 or 5 inces long and screw them into the 4 ( 1 in the front and back of each head) corner holes in the heads, this will help you hold the intake gaskets in place as well as set the intake straight down. Put a 1/4" bead of silicone along the front and rear rails, this elimnates the need for the supplied end seals, and a little around the water jackets. Place the gaskets on the heads, then start the intake down the long bolts you installed untill in is positioned on the heads squarely, then put the rest of the intake bolt in finger tight, remove the all thread and install the remaining 4 bolts, tighten evenly untill you have reached recommended torque values.