Bolt cylinder head and barrel bolt, front centre (short), Norton all twins (ea) 1960? to 1976, ZP 26tpi. 500cc -600cc use 1; 650cc - 750cc use 4. Note: No built in washer. MUST be used with a thick washer (use 16213). If you want the washer built into bolt use D12/973 Original part numbers: 25313; 067918 - cylinder head and barrel bolt (short)
