Mar 15, 2025 #1 greyghost340 GreyGhost 340 Joined Dec 5, 2014 Messages 367 Reaction score 113 Location New Balimore MI Anyone run these 12-5-1 pistons with a X Head with Fel Pro blue head gaskets? What type of compression did you end up with? What issues did you run into?
Anyone run these 12-5-1 pistons with a X Head with Fel Pro blue head gaskets? What type of compression did you end up with? What issues did you run into?