915 J HEADS. STAINLESS VALVES, BRONZE GUIDES, 3 ANGLE VALVE JOB, MILLED TO JUST OVER 65 CC'S, MILLED INTAKE SIDE TO REDUCE INTAKE VOLUME, MAY NEED THICK INTAKE GASKETS, NASCAR VALVE SPRINGS, MOLY 10 DEGREE RETAINERS AND KEEPERS, NHRA STOCKER HEADS. USED VERY LITTLE.. $600.00 PLUS SHIPPING.