5-Pack Bolt Kit, 12-Point Head Black Oxide AR641-3500 Product:5/16" UNC x 3.500" UHL With 3/8" Socket Head Fits Optima 34 & 34/78

Fits Optima 34 & 34/78 Red Top Fits Optima D34 & D34/78 Yellow Top 247mm (9-3/4in) Recessed length 165mm (6-1/2in) Recessed width 175mm height Aeroflow Performance billet battery hold down trays are now available to suit the popular optima batteries both red top and yellow tops

AF9207-400

AR250-3002

49-4001BLK

All Pro Series head bolts have a reduced wrenching hex or 12-point head and wide area flange to eliminate the need for valve train removal for cylinder head retorquing and permits the use of larger diameter valve springs

5-Pack Bolt Kit, 12-Point Head Black Oxide AR641-3500 Product:5/16" UNC x 3.500" UHL With 3/8" Socket Head Fits Optima 34 & 34/785 Pack Bolt Kit, 12 Point Head Black Oxide5 16" UNC x 3. 500" UHL With 3 8" Socket Head AR641 3500 641 3500 To compliment ARP "bulk" 5 pack chrome moly and stainless steel fasteners we have assembled matching groups of nuts. They, too, come in convenient 5 pack skin cards. Take your pick from stainless steel and black oxide finished standard nuts or stainless steel Nyloc and cad plated Nyloc self locking nuts.