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Cosworth High Performance Head Stud Kit; 11mm SUBARU IMPREZA


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Part #: PR7243
Notes: High Performance Head Stud Kit
11mm
MSRP: $399.00
Your Price: $396.21
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All Fitments

SAAB
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2005 - 2006 9-2X AERO H4 2.0
2.5
T EJ205
EJ255
ALL
SUBARU
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2004 - 2006 BAJA TURBO H4 2.5 T EJ255 ALL
2004 - 2013 FORESTER SPORTS 2.5 XT
XT
XT LIMITED
XT PREMIUM
XT TOURING
H4 2.5 T EJ255 ALL
2002 - 2014 IMPREZA WRX
WRX LIMITED
WRX PREMIUM
WRX STI
WRX STI LIMITED
WRX STI SPECIAL EDITION
WRX TR
H4 2.0
2.5
T EJ205
EJ255
EJ257
ALL
2009 - 2010 IMPREZA 2.5 GT H4 2.5 T EJ255 ALL
2005 - 2012 LEGACY 2.5GT
GT
GT LIMITED
GT SPEC.B
H4 2.5 T EJ255 ALL
2005 - 2009 OUTBACK XT
XT LIMITED
H4 2.5 T EJ255 ALL
2015 - 2017 WRX STI ALL ALL ALL ALL ALL ALL

Product Description

Essential for high performance engine builds, heavy duty main and head studs reduce movement in high boost or high compression engines optimizing sealing. Cosworth Studs are manufactured from H11 tool steel with 180,000+psi or 240,000+psi tensile strength and come complete with nuts and washers. Manufactured with hex broach end for ease of installation.

Additionally, genuine Cosworth studs utilize a base seating feature to evenly distribute maximum load on the stud and not the threads. This feature is typically found only in high level race engines.

Features:

  • Essential for high power applications
  • Superior strength compared to other brands
  • High clamping force
  • Hex broach ends ease installation
  • Roll die formed threads
  • High Performance 180,000psi+ tensile strength
  • Ultra High Performance 240,000psi+ tensile strength
  • Special heat treat process includes heating in vacuum sealed furnace and quenched in a nitrogen chamber for precision control

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