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ARP

ARP Subaru WRX EJ20 & EJ25 Head Stud Kit

$219.99
260-4701
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This ARP head stud kit is made from 8740 chromemoly steel, 190,000 psi tensile strength. It is precision centerless ground and thread rolled to...
ARP

ARP Subaru FA20 2.0L 4Cyl Head Stud Kit

$263.34
260-4301
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It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants. Simply stated,...

IAG Half Moon Valve Cover Cam Seals (4) For 02-06 Subaru WRX / 04-06 STI / 04-06 FXT / 05-06 LGT (Black Finish)

$64.99
IAG-ENG-2000BK
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories IAG Performance New products Seals
IAG billet aluminum half moon valve cover cam seals replace the OEM style rubber seals that are prone to leaking and failure as they...
ARP

ARP 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit

$259.99
260-4702
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories Head Studs & Bolts New products
ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Each stud is placed vertically in special racks and...
ARP

ARP Subaru EJ Series DOHC Custom Age Head Stud Kit

$569.99
260-4704
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CUSTOM AGE 625+: This newly formulated super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness, with complete resistance to atmospheric corrosion and oxidation....

IAG Performance ARP 1/2" Head Stud Set for Subaru EJ25 and FA20 DIT

$524.99
IAG-ENG-1700
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The IAG Performance 1/2 Inch Head Stud Set is manufactured by ARP and is designed for use on high horsepower Subaru EJ25 and FA20...

IAG / ARP 14mm Head Stud Set For Subaru 06-14 WRX, 04+ STI, 05-09 Legacy GT, 04-13 Forester XT

$579.99
IAG-ENG-1711
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ARP 14mm Head Stud Set is designed for use on high horsepower Subaru engines. The larger size of the stud increases its load capacity...

Subaru OEM Power Steering Belt Cover Bracket - Multiple Subaru Fitments

$6.07
23791AA002
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OEM Power Steering Belt Cover Bracket by Subaru Subaru OEM replacement bracket for the power steering belt. Required for installation of some aftermarket alternator...
ARP

ARP Subaru EJ25 DOHC Turbo Rod Bolt Kit

$89.99
260-6302
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A large number of connecting rod manufacturers have chosen ARP bolts as standard equipment. They’re proud to advertise their products as being equipped with...
ARP

ARP Subaru EJ Series Press Fit Rod Bolt Kit

$124.99
260-6301
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A large number of connecting rod manufacturers have chosen ARP bolts as standard equipment. They’re proud to advertise their products as being equipped with...
ARP

ARP Subaru WRX EJ20 & EJ25 Block Bolts

$424.99
260-5401
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*Main Studs* There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well...

IAG AOS Pitch Mount Bracket for 06-07 Subaru WRX / 04-07 STI, 2004-08 FXT

$41.99
IAG-ENG-7802
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The IAG Performance AOS (Air Oil Separator) pitch mount bracket is designed to replace the standard mounting bracket included with IAG's AOS kits. The...

IAG AOS Strut Tower Mounting Bracket For Rotated Turbo Kits Fits 2008-14 Subaru WRX / STI, 2005-09 LGT

$15.99
IAG-ENG-7801
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The IAG Performance AOS (Air Oil Separator) Strut Tower mounting bracket was originally designed to replace the standard mounting bracket included with early version...

IAG AOS Strut Tower Mounting Bracket for Rotated Turbo Kits Fits 2006-07 WRX, 2004-07 STI, 2004-08 FXT

$15.99
IAG-ENG-7800
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The IAG Performance Air Oil Separator Strut Tower mounting bracket is designed to replace the standard mounting bracket included with IAG's AOS kits produced...

IAG AOS Pitch Mount Bracket for 2008-14 Subaru WRX / STI, 2005-09 LGT

$54.99
IAG-ENG-7803
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The IAG Performance AOS (Air Oil Separator) pitch mount bracket is designed to replace the standard mounting bracket included with IAG's AOS kits. The...

IAG Red AVCS Camshaft Sensor Delete Plugs (Pair) For 2002-05 Subaru WRX w/ AVCS Heads

$49.99
IAG-ENG-2060RD
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IAG AVCS Camshaft Sensor Delete Plugs (Pair). Designed for early 2002-2005 WRX's that have upgraded to AVCS cylinder heads but do not have engine...

IAG V2 Timing Belt Guide for 2002-14 Subaru WRX, 04+ STI, 05-09 LGT & 04-08 FXT (Black Finish)

$54.99
IAG-ENG-5101BK
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The IAG Performance billet timing belt guide is the best method to prevent you EJ motor from skipping a beat. Engineered and manufactured in...

IAG Black AVCS Camshaft Sensor Delete Plugs (Pair) For 2002-05 Subaru WRX w/ AVCS Heads

$54.99
IAG-ENG-2060BK
All Best selling products Block Off Plates Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories IAG Performance New products
IAG AVCS Camshaft Sensor Delete Plugs (Pair). Designed for early 2002-2005 WRX's that have upgraded to AVCS cylinder heads but do not have engine...

IAG Half Moon Valve Cover Cam Seals (4) For 02-06 Subaru WRX / 04-06 STI / 04-06 FXT / 05-06 LGT (Silver Finish)

$64.99
IAG-ENG-2000SL
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories IAG Performance New products Seals
IAG billet aluminum half moon valve cover cam seals replace the OEM style rubber seals that are prone to leaking and failure as they...

IAG Silver MAF Sensor Block Off Plate For 2002-07 Subaru WRX / STI

$41.99
IAG-AFD-4000SL
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories IAG Performance MAF Block Off Plates New products
The IAG Performance MAF Sensor Block Off Plate for the 2002-07 Subaru WRX / STI is designed to seal the MAF sensor location on...

IAG MAF Sensor Block Off Plate For 2008-14 Subaru WRX, 2008+ STI, 2005-09 LGT (Silver Finish)

$41.99
IAG-AFD-4001SL
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories IAG Performance MAF Block Off Plates New products
The IAG Performance MAF Sensor Block Off Plate for the 2008-14 Subaru WRX, 2008+ STI & 2005-09 LGT is designed to seal the MAF...

PERRIN Subaru Oil Temp/Pressure Adapter

$57.60
ASM-GAU-100
All Best selling products Commerceinstruments Best Selling Products Engine Build Components Engine Hardware & Accessories Gauge Adapters New products Perrin Performance
OVERVIEW The PERRIN Oil Temperature and Pressure Adapter is essential for proper and easy installation of your oil temperature and oil pressure sensors.  ...
All products sold by Patterson Performance Parts, LLC are intended for off-road and/or competition use only. By purchasing aftermarket products from us, having us install the products, or both, the customer takes full responsibility for any use, and/or misuse of the product; and agrees that Patterson Performance Parts holds no responsibility for any consequences, legal, or other, of such use and/or misuse.
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