Quote: Call Eric @ Muscle Motors Great guy great products!!!! cant beat prices either!! KB icon pistons are 500 same piston as 451
I called Keithblack pistons will have too much compression (Flat top w/ 4cc valve reliefs) about 11.9 static and weigh 559g and Diamond have a 12.5 cc dish about 10.9 static and weigh 537g.