It is mini Tubed. It's on rotisery @ this time. I actually think mine is a 68' come to think about it. 440" r3 with Shadydell w5 heads and 5 speed T6 trans. Dana 60 caltracs and mono leafs. Back wheels are 18x10. 285-50-18 Brigestones on rear and 235-50-17 bridgestones on the front. Will post...