ARP 201-4302 head stud kit BMW M50, M52, S50, S52US (ARP2000)

ARP 201-4302 head stud kit BMW M50, M52, S50, S52US (ARP2000)
ARP 201-4302 head stud kit BMW M50, M52, S50, S52US (ARP2000)
ARP 201-4302 head stud kit BMW M50, M52, S50, S52US (ARP2000)
ARP 201-4302 head stud kit BMW M50, M52, S50, S52US (ARP2000)
ARP 201-4302 head stud kit BMW M50, M52, S50, S52US (ARP2000)
ARP 201-4302 head stud kit BMW M50, M52, S50, S52US (ARP2000)
ProducerARP
Product codeARP 201-4302
Car make: BMW
Engine code: M50, M52, S50, S52, M44
391,73 EUR
332,86 EUR
/ pcs / incl. 23% VAT
Before we process the order with this product, the prepayment in the amount of 166,43 EUR may be required. Detailed information will be provided in the order summary, before its placement.
Easy return of products within 14days

ARP main studs for BMW with M50, M52, S50, S52US engines

Obtaining the optimum cylinder head-to-block sealing is especially critical in small displacement engines employing high compression pistons or power adders like turbochargers, nitrous oxide and superchargers. That's why ARP® head studs are popular among leading Sport Compact/Import racers.

You should know that ARP® uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is precisely heat-treated to 200,000 psi. Following heattreat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. It's important to note that lesser quality studs are not even centerless ground—the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP® studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned—something that won't happen with inferior quality head studs.

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.

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—one that compensates for head gasket compression when the head is installed. This helps prevent blown head gaskets, and assures optimum sealing!

Premium parallel ground washers are also included with each kit.

Producer
Product code
ARP 201-4302
Producer
ARP
Material
ARP 2000
Tensile strenght
220000 psi
Engine code
M50
,
M52
,
S50
,
S52
,
M44
12 months guarantee
12 months guarantee
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IdoSell Trusted Reviews
4.84 / 5.00 604 reviews
IdoSell Trusted Reviews
2024-01-25
Good price, well packed and fast shipping.
2023-10-09
The only problem was the delivery time. We were waiting for the product for two months from purchase
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