HI, I am rebuilding 1978 2f motor and need some help with the push rods. I have one push rod that is bent so I ordered an oem replacement from a Toyota dealer in my area. The new rod has a much smaller ball on one end and a smaller socket on the opposite end than the original rod that was in my engine. I had the parts department tech double check the part number, He assures me that I have the correct part. Has anybody else come across this problem? Will this much smaller ball and socket on the new push rod work with my rockers and lifters? Thanks for any info!