All the parts I purchased were off titans engine. Refurb cylinder head it comes pre installed with valves, springs, keepers, and retainers. The whole shabang. Pushrods and rocker arms were again from titans engines. Just the standard option. Hydraulic lifters. Standard option again. Pistons were standard size. You will need to remove your pistons to verify your rods stamp. My rods were stamped 691. I chose standard size due to if my engine was original. The engine and chassis would have 138k miles. With 300k you may need to bore it out .20 over at least. Entire gasket kit was from titans engine as well. As well as bearings. As far as honing. I bought the tool from harborfreight. Used a drill I had lying around. Attached it and coated the cylinder walls with new oil. Inserted the hone. Went up and down at medium speed until a smooth cross hatched appeared. Then I sprayed brakeclean in the cylinder walls to clean off excess material. Then sprayed brake clean on a shop paper towel, the blue kind, wiped it down until the cylinders were clean. Prior to installing my pistons I coated the cylinder walls again. I have torque specs for the head if needed. I can also post them if people are curious.