ARP BMW TOYOTA B58 M140i M240i Supra Z4 Main Stud Kit

Name: ARP BMW TOYOTA B58 M140i M240i Supra Z4 Main Stud Kit
SKU: 203-5409
Availability: InStock

£295.00

ARP 2000 Main Stud Kit

Part Number 203-5409

Product code: 203-5409 Categories: M140I / M240I, Engine internals

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ARP 2000 Main stud kit for the BMW/Toyota B58 engine

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.

ARP studs for the main crankshaft of all B58 engines

(B58A, B58C, B58D) used in M240i, 340i, 440i, 540i, and M40i models.

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If you have placed an order but then wish to change or cancel it, please contact our customer service team as soon as you can. We will try our best to make any changes but we will be unable to do so if the order is already being processed in the warehouse and/or dispatched.
Unfortunately, goods that have already been dispatched cannot be amended or redirected to an alternative delivery address.

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DELIVERY

I’ve paid for express delivery why has my order not arrived?

All delivery times, including Express delivery, are from the point of dispatch and not from the point of order. When selecting express delivery if one or more of your items are not in stock, a message will have appeared in blue on the basket page highlighting this and that it would cause a delay in your order. For further information please contact us.

My tracking number does not work, why?

Tracking numbers rely on the delivery agents updating their systems so please allow one working day for the tracking number to be updated. If after this period the tracking number is still not working please contact us.

RETURNS

How can I return an item?

All of our items purchased have a 14 days returns policy. The parts must not have been fitted and in all of its original packaging. Any special order items are non returnable.

Why do I need a Returns Authorisation Number and form to return my goods?

We require you to obtain a returns number so the team will be able to quickly locate your account and process your return as soon as possible for you.

Where should I return the goods to?

Please return any items in the original packaging (unless faulty) with your returns form included to the following address: Nevlock engine components, 16 Cavans way, Binley Ind Est, Coventry, CV3 2SF.

How long will a refund take?

Once we have processed the refund it will usually take 3-5 working days for the funds to show in your account. This may vary depending on your bank.

Making sure you get the correct parts and full support is our priority. Please contact us if you feel you need any help or advice when ordering. Please either call, email or message us on Facebook.