T thunderjet440 New member Joined Oct 30, 2005 Messages 114 Nov 17, 2010 #1 what pistons interchange? is it the ss433 or the gp433b? 338gpx Member Joined Feb 18, 2007 Messages 69 Age 63 Location N/A Nov 17, 2010 #2 gp pistons work on the 338 You must log in or register to reply here.
338gpx Member Joined Feb 18, 2007 Messages 69 Age 63 Location N/A Nov 17, 2010 #2 gp pistons work on the 338
