Applications
Dodge 3.9L
Dodge Cummins Diesel
Installation Instructions
Part Number: 247-6304
Application: CUMMINS 3.9L (4BT) 4-CYL (ACR)
Cap Screw without Washer - Rod Bolt Installation
[1]
Please check the part-number(s) for your application
against the part-number(s) listed on the instruction sheet.
[2]
Make sure there is an adequate chamfer around the bolt
hole on the connecting rod cap to clear the radius under
the head of the bolt.
[3]
Use ARP Ultra-Torque Fastener Assembly Lubricant
to lubricate the threads of the bolt and the under head of
the bolt. Then install the bolts and tighten them hand
tight.
[4]
ARP recommends using the STRETCH METHOD when
tightening rod bolts. Following the instructions for using a
stretch gauge, Stretch the bolts to . 0095 - . 0100 .
[5]
If you do not have a stretch gauge, torque the bolts to
_ 95 ft-lbs (128.8 Nm) using ARP Ultra-Torque Fastener
Assembly Lubricant.
[6]
The connecting rods should always be re-sized after new
rod bolts are installed.
[7]
A log should be kept on the original non-torqued length
of each bolt. Bolts that have any permanent deformation
or have increased in non-torqued length by more than
.001 in. should be replaced.
If you have any questions or need additional information please
contact us at (805) 339-2200 or by FAX (805) 650-0742
⚠ This is an automatically generated translation and unit conversion. Always refer to the original ARP instruction sheet for exact specifications. Errors may occur. 
