ARP Head Bolt Kit - Big Block Chevy

ARP Pro-Series Cylinder Head Bolt Kit - (BB Chevrolet) These ARP high performance series head bolt kits for the big block Chevrolet and aftermarket engine blocks are tough as Chuck Norris. The Pro-Series bolts are rated at 170,000 psi which is 15% stronger than regular Grade 8 fasteners. This package uses 6-point bolt heads that eliminate the need for valvetrain removal when retorquing cylinder heads. There's a good reason that virtually every top racer and professional engine builder relies on ARP fasteners for their all out competition powerplants. Simply stated, there’s not a better fastener setup on the market today. ARP fasteners offer high performance plus the reliability you can trust. APPLICATION: Big Block Chevrolet CONTENTS: 7/16"-Pro-Series bolts Flat ground hardened washers Chromemoly steel material Six point hex head fastening Black oxide finish Two head applications per package PART NUMBER: ARP-135-3601