WHY SHOULD YOU CHOOSE THE SMITH TITIANIUM BRAKE SYSTEM? CLICK HERE!

Engine Fastener 12 pt. Head 5/16 - 18 x 3/4

$6.19

for oil pump and oil pan

wrench size is 5/16

flange diameter is .465

designed to replace a socket head cap screw or allen bolt

Part #:  TP-312-18-750