£270.23

ARP 2604701 Bolt Kit

Black, 2604701

Price data checked 2 days ago

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£270 today · previous high £270 · all-time low £211

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 89 days • 89 data points

Historical
Generating forecast...
£270.23 £204.59 £218.91 £233.23 £247.56 £261.88 £276.20 01 March 2026 23 March 2026 14 April 2026 06 May 2026 28 May 2026

Price Distribution

Price distribution over 89 days • 5 price levels

Days at Price
Current Price
22 days 13 days 16 days 13 days 25 days · current 0 6 13 19 25 £211 £212 £217 £218 £270 Days at Price

Price Analysis

Most common price: £270 (25 days, 28.1%)

Price range: £211 - £270

Price levels: 5 different prices over 89 days

Description

(EJ2.0L 2.5L DOHC) Built for the Subaru Impreza... 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!

Key Features

Product Type :Bolts

Package Dimensions :22.352 Cm L X10.668 Cm W X5.842 Cm H

Country Of Origin :United States

Package Weight :3.85Lbs

Product Specifications

Brand
ARP
Model
2604701
Colour
Black
Size
M12 Us
Domain
Amazon UK
Release Date
05 June 2012
Listed Since
16 August 2012

Barcode

No barcode data available

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