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arp head bolt torque specification

15K views 3 replies 4 participants last post by  Cryser 
#1 ·
What is the torque spec for arp head bolts. If i remember correctly it is 80 ft lbs. Please enlighten me if im wrong, this head will probably go on tonight. I lost the paper with the spec on it. K thanks
 
#2 ·
It's on their website but here you go...
Step 7. Following the manufacturers recommended torque sequence tighten the bolts in 3 equal steps to 80 ft lbs with the ARP ultra-torque fastener assembly lubricant.

Cheers
 
#3 ·
#4 ·
ARP Head bolt spec: 3 equal steps leading to 80 ft lbs (26, 27, 27)

ARP Main STUD spec: 3 equal steps leading to 60 ft/lbs (20,20,20), Torquing from the top nut main cap #3 in a down and outward spiral ending at the botton nut of main cap #5


threw the main stud spec in there for your thread grog since I just torqued mine yesterday, crank spins like butter =)
 
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