Material: 8740 Chrome Moly
8740 CHROME MOLY: Until the development of today’s modern alloys, chrome moly was popularly considered a high strength material. Now viewed as only moderate strength, 8740 chrome moly is seen as a good tough steel, with adequate fatigue properties for most racing applications, but only if the threads are rolled after heat-treatment, as is the standard ARP production practice. Typically, chrome moly is classified as a quench and temper steel, that can be heat-treated to deliver tensile strengths between 180,000 and 210,000 psi.
Yield strength: 180,000 psi
Installation Instructions
Part Number: 156-1004 & 156-1005
Application: FORD 5.0L COYOTE V8
Cam Tower Bolt - Installation
[1]
Please check the part-number(s) for your
application against the part-number(s) listed on
the instruction sheet.
[2]
Clean and inspect all hardware prior to
installation. Look for obvious defects or shipping
damages, plus proper fit, length and dimension.
[3]
Install the camshafts, the camshaft caps and the
timing gears (if removed) as described in the
factory service manual.
[4]
Lubricate the threads of the bolts and the
washers with ARP Ultra-Torque Fastener
Assembly Lubricant.
[5]
Install the bolt(s) and tighten them hand tight.
[6]
Following the manufacturer’s recommended
torque sequence tighten the bolts to 90 in-lbs (10.2 Nm)
using ARP Ultra-Torque Fastener Assembly
Lubricant.
If you have any questions or need additional
information please contact us at (805) 339-2200 or
by FAX at (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.
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