Ford Cobra Jet rod bolts
Applications
Ford - Small Block - Cleveland 351C-4V “Cobra-Jet” (Q)
Installation Instructions
Part Number: 155-6001 & 155-6021
Application: FORD 428 COBRA JET (13/32 dia)
Press Fit - 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 top
of the connecting rod bolt hole to clear the radius under
the head of the bolt.
[3]
Press the bolts into the connecting rods and install the
rod caps.
[4]
Use ARP Ultra-Torque Fastener Assembly Lubricant
to lubricate the threads of the bolt and the nut face. Then
install the nuts onto the bolts and tighten them hand tight.
[5]
ARP recommends using the STRETCH METHOD when
tightening the bolts. Following the instructions for using a
stretch gauge, Stretch the bolts to . 0060 - . 0065 .
[6]
If you do not have a stretch gauge, torque the bolts to
50 ft-lbs (67.8 Nm) using ARP Ultra-Torque Fastener
Assembly Lubricant.
[7]
The connecting rods should always be re-sized after new
rod bolts are installed.
[8]
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. 
