Click on the craigslist link for good photos and a detailed description. Send me a pm or use the craigslist email if you want it. Make sure you include your zip code so I can quote shipping.
I believe the early posts had the steel pointed contact slug inserted into the spring - yours appears to have a later spring or has been modified.
Which could potentially cost a couple points if your engine gets disassembled during judging...
Sold, pending payment.