I got one for sale 4k. BBC four bolt main 0.030 over, steel crank, forged pistons, 10:1 compression, solid flat tappet cam,Roller rockers, oval port heads with big valves and pocket porting . all machine work done by Motor Magic . Balancing was done by ABS. This motor was originally in Rwyattb's pink hornet. The horsepower is roughly 475-500