HOLIDAY TRADING HOURS: Office Closed 1st & 2nd Jan. Warehouse Closed 1st Jan. We’re running limited staff this week with no phones but will respond to messages and emails but response times may be slower than usual. Orders will still be dispatched on all non–public holiday days.
IAG's / ARP 14mm Head Stud Set is designed for use on high horsepower Subaru engines. The larger size of the stud increases its load capacity which in turn helps to prevent the cylinder head from lifting and creating head gasket failures. The oversized head studs require drilling and tapping the case as well as splitting the locating dowels to accept the larger studs. In addition, the cylinder head will also require the head stud hole clearances enlarged to accept the studs.
Set Includes:
(x12) ARP2000 14mm x 1.5mm Head Studs
(x12) ARP Washers
(x12) ARP Nuts
(x1) ARP Fastener Assembly Lube
Install Requirements:
Use head gaskets with 14mm stud provisions or drill head gaskets to clear the larger 14mm head studs for fitment
Splitting the OEM locating dowels
Drilling and tapping the engine case
Drilling out the cylinder head stud holes for 14mm stud clearance
Vehicle Fitment:
1994-2000 Subaru WRX
2001-2007 Subaru WRX
2008-2014 Subaru WRX
2015-2021 Subaru WRX
1994-2000 Subaru STI
2001-2007 Subaru STI
2008-2014 Subaru STI
2015-2021 Subaru STI
1997-2002 Subaru Forester GT
2003-2008 Subaru Forester XT
2008-2013 Subaru Forester XT
1989-1993 Subaru Liberty RS
1993-1997 Subaru Liberty RS
1998-2003 Subaru Liberty B4
2004-2009 Subaru Liberty GT
* Studs can be used on Subaru EJ25, FA20 DIT and 2.0L EJ20 Engines.
Fitment Table
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