ARP 201-4601 Head Stud Kit for BMW 1.5L & 2.0L (M10) 4-cylinder ymm_38 The exhaust tone is most

The exhaust tone is most noticeable as you move through the gears and accelerate

CNC-machined from 6061-T6 billet aluminum

The universal AEM FPR is tapped to accept a -6 AN

6 / 5800 rpm

and a premium visual finish

ARP 201-4601 Head Stud Kit for BMW 1.5L & 2.0L (M10) 4-cylinder ymm_38 The exhaust tone is mostIt 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, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat