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0512htp Afr 21 Z

The 13mm ARP head bolts were step-torqued in a circular pattern from the center out to 75 lb-ft, and then the stock exhaust manifolds were connected to the new heads.
1999 Chevy Corvette - AFR 205CC Heads - Cobra Killers

 The 13mm ARP head bolts were step-torqued in a circular pattern from the center out to 75 lb-ft, and then the stock exhaust manifolds were connected to the new heads.  View Related Article

 

 

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