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Before installing the new heads, it's a good idea to run a thread chaser in the head bolt holes to free them of debris that might give a false torque reading. Lay the gaskets on the block deck, using the dowel pins to locate them properly. Install the cylinder head gently but firmly on the pins and screw the head bolts in place.For a measure of safety and reliability, John employed ARP High Performance Series cylinder head bolts (PN 134-3601) which maintain strength of 170,000 psi (15-percent stronger than Grade 8). Hardened parallel-ground washers complete the set-up.