i'm a big fan of the ccm kits
i have a pmp one on my trilogy as a backup marker and it works pretty well
the only thing with the pmp is that it isnt nearly as smooth a stroke as my ccm kit, but im not sure if thats just cuz my pmp kit is on a trilly or not
you could look into the sanchez, ccm, team hooptie, or pmp kits(just off the top of my head) these are the most common ones i think
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i got a pmp 3rd gen and the rod was bent when i got it i just bent too make it fit i put a spyder valve spring instead of stock return it a lil harder to pump but i can just let go and it snaps right back into place works for me im not the most gentel person keepin it clean and a lil oil in pump guid helps keep it smoth