kb 107 pistons

I built my 360 (~370 HP) in 2005 and have almost 50,000 miles on it and it still pumps 195 to 205 psi on a compression test.

BTW, I had to have 0.020" taken off the decks to get the pistons to zero deck. I also have magum heads with measured 64 cc chambers. Combined with a 0.040" thick head gasket I have 10.6:1 compression.