[Vehicle Fitment]: Compatible with Subaru Legacy 2005 H4 2.5L (Right Angle 90 Degree Coil Boots; with Federal Emissions System), Outback 2005 H4 2.5L (Right Angle 90 Degree Coil Boots; with Federal Emissions System), Subaru Forester 2005-2010 H4 2.5L, Impreza 2005-2011 H4 2.5L, Legacy 2006-2009 H4 2.5L, Outback 2006-2009 H4 2.5L; Compatible with Saab 9-2X 2005-2006 H4 2.5L --- Outside Diameter: 7mm [Reference Number]: 55004, 22451-AA940, 22452-AA690, 22453-AA140, 22454-AA140, 22451AA940, 22452AA690, 22453AA140, 22454AA140 [Ultra High Strength]: Silicone boots, fiberglass braid and copper core for added strength and superior conductivity [Directly Fit]: Automotive OE Replacement Spark Plug Wire, Easy installation; Materials for a long lifespan. [Buy with Confidence]: A-Premium offers a 1-Y unlimited-mileage guarantee on our meticulously crafted high performance spark plug wires set. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind. A-premium Spark Plug Wire Sets are an ideal choice to replace your broken Spark Plug Wire Sets. All Spark Plug Wire Sets meet or exceed OEM specifications. Due to high manufacturing standard, it will come with one year quality guarantee.

Compatible with Subaru Models:
2005-2005 Legacy H4 2.5L Right Angle 90 Degree Coil Boots; with Federal Emissions System
2005-2005 Outback H4 2.5L Right Angle 90 Degree Coil Boots; with Federal Emissions System
2005-2010 Forester H4 2.5L
2005-2011 Impreza H4 2.5L
2006-2009 Legacy H4 2.5L
2006-2009 Outback H4 2.5L

Compatible with Saab Models:
2005-2006 9-2X H4 2.5L

Specifications:
Wire Diameter (MM): 7mm

OEM Number: 55004, 22451-AA940, 22452-AA690, 22453-AA140, 22454-AA140， 22451AA940, 22452AA690, 22453AA140, 22454AA140
Quantity Sold: A Set of Four Pieces
Note: It fits for Naturally Aspirated