ARP 625+ Head Studs Fits 2009-2019 Nissan GTR - VR38 VR38DETT - 202-4305

Brand New ARP Head Studs fits:

2009-2019 Nissan GTR - VR38DETT Engines

ARP Part # 202-4305 - Includes all Studs, Washers and Nuts

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 Diesel and Sport Compact/Import racers.

 
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.

 
To Clarify:

ARP Head Studs are used to connect the Cylinder Head to the Engine Block

ARP Main Studs are used to hold the Main Caps in place for the crankshaft.

ARP Custom Age 625+ Studs are centerless ground, Heat treated prior to thread rolling and machining, Nominally rated at 270,000 psi tensile strength and are reusable as compared to OEM Torque to Yield (TTY) Head Bolts.

ARP 202-4305 includes a set of Custom Age 625+ Studs, Chrome Moly Steel 12-Point Nuts, Hardened and Parallel Ground Washers and a 1/2 oz. Pack of ARP Ultra-Torque Fastener Assembly Lubricant.

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