ARP fasteners Head Stud Kit, 12-Point Nut AR9994401 Rocker Studs & Nuts ANODIZED OUTER RIM:Black (Gloss/ Matte)

ANODIZED OUTER RIM:Black (Gloss/ Matte) - additional costBronze (Gloss / Matte) - additional cost

00mm centre to centre 48

Exhaust Cut-Out Body Inside Diameter - 90mm (3-1/2”)

Proven to deliver 30-70 HP increases to all forced induction applications

If using a 7/16" bolt

ARP fasteners Head Stud Kit, 12-Point Nut AR9994401 Rocker Studs & Nuts ANODIZED OUTER RIM:Black (Gloss/ Matte)Head Stud Kit, 12 Point Nutfits Holden 6cyl Red Blue Black Motor Brand: ARP Part Number: AR9994401 Description: It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, there's not a better stud setup on the market today. For openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to