Less than 4,000 miles clocked, 10.5:1 compression, estimated to produce 430hp to 450hp. 1966 block, casting number 3855961 Balanced rotating assembly Stock forged crank bored .040 over Scat Rods Forged Pistons Hasting Rings Clevite bearings Melling Oil Pump Comp Cams: Magnum Hydraulic Roller Cam #CL-11-430-8 Roller Rockers and Push Rods Cloyes Quick Button Timing Cover Edelbrock 60499 high compression aluminum heads …