ARP wave lock rod bolts for large journal small block chevy and 409 engines
not for 400 or 265 / 283 or small journal 327
9/16 socket size
134-6403
Press fit ARP rod bolt installation.
make sure there there is a adequate chamfer.
Around the top of the connecting rod bolt hole to clear the radius.
under the head of the bolt.
Press the bolt into the rod and put on cap.
Use ARP lube on threads and nut face .
torque to 50 ft-lbs