I got mine from Phase2, Take your head to A1 cylinder head in riverside. I had him clean up and install my valve springs on my RB20 head. So it won't be his 1st time seeing one.Komatsu X wrote:dose anyone know????????
I think it's the same part #. Check phase2's sight.Komatsu X wrote:hey do you know if i can use rb25det arp head studs for my rb20det?? becuase i can get them for free?