Pro Series Head Bolt Set to suit Holden / Chev / GM LS Series (AR134-3610) subaru impreza Tunnel Bore is also required

Tunnel Bore is also required (as all blocks with aftermarket bolts are required)

tool-free adjustment and all the parts needed for conversions included it is Turbosmart's most versatile BOV

TORQUE PLATE to suit any 4G63/ 4G64 series engines

Kinsler 700 - 1800hp rated

you should run the same bolt you wish to use in your build with the same tension

Pro Series Head Bolt Set to suit Holden / Chev / GM LS Series (AR134-3610) subaru impreza Tunnel Bore is also requiredPart number: AR134 3610 ARP Pro Series Head Bolt Set to suit Holden Chev GM LS Series engines with all same length bolts (2004 On). Alternate part numbers: AR1343610 134 3610 1343610