Common ARP or SpeedFactory 4130 head studs are ideal for Just about all Avenue builds. Should your target is over 700WHP, we recommend the ARP L19 head studs to stop head elevate. In copyright and elsewhere, the trim turned known as the SiR for that sixth and seventh generations since https://b16engine69887.therainblog.com/28619145/the-5-second-trick-for-b16b-type-r