Arp head bolts

  1. Newbie Joined: Jun 2017 Portugal Posts: 15 Saxo Cup 106 gti Peugeot 607 Hyundai accent lc 1.3
    #1
    Its mandatory to use arp head bolts for a turbo j4?
    Im using wossner low comp, forged rods, and a T3/t04e .57 trim turbo.
    The OEM bolts can take 1.3bar or should i use the arp?