Product Description
BMW Chrome Moly Head Stud Kit - ARP 201-4605
BMW Chrome Moly Head Stud Kit - ARP 201-4605
ARP studs are thread rolled after heat-treat, which gives them about 1000% (that’s ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because it’s tough on tooling, but the results are well worth the extra effort.
You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the “stretch” of both studs, which makes for a more consistent clamping force – and one that compensates for head gasket compression when the cylinder heads are installed. This helps prevent blown head gaskets, and assures optimum engine sealing!
Premium quality heat-treated 8740 chrome moly steel head stud kits are available for most every domestic and import applications.
You won’t find a better quality stud on the market from any other source. Look for ARP stamped on each stud as your assurance of quality.
| Specifications | |
|---|---|
| Socket Size(s) | 16mm 12pt, 5mm Allen |
Vehicle Fitment
- 1988-1911 BMW M3
ARP’s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline and throughout the suspension and frame. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.
