It's a low mileage 71 318, original compression around 10. to 1. cast 4 barrel intake, 800 c.f.m. t-quad, 340 exhaust manifolds, 2 1/2 " exhaust with H pipe. Windage tray, original 318 heads,new double roller timing chain,and the cam on previous page. nothing much, lift is advertised at 454/475...