Installation Time
(approx) 15 Minutes
Difficulty Level:
Simple installation for anyone.
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$44.99 (each)
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Features, Description, Reviews, Q&A, Specs & Installation
A Quick Upgrade With a Big Visual Payoff. The Roush Polished Billet Radiator Cap takes less than 15 minutes to install, but has a lasting visual impact under the hood of your Mustang. The polished finish adds a sleek shine that will perfectly complement other upgrades you’ve made. Quality construction ensures it will be an upgrade you can enjoy for the life of your vehicle.
American-Made Quality. All Roush radiator caps are manufactured in American, raising the bar for quality of construction and materials. Constructed from high-quality billet aluminum, the Polished Billet Radiator Cap is designed for durability and a long life. It stands up to corrosion and wear, and the engraved Roush logo will look brand new for a long time.
Classic Design. The polished finish of the radiator cap by Roush will add a sleek shine to your engine compartment. It is the perfect complement to other polished upgrades under your hood, and adds a classic look that can’t be beat.
Simple to Install. All you have to do is slide the Roush Radiator cap directly over your factory cap, and adhere it with automotive grade double-sided tape. Because Roush CNC-machines their radiator caps, you can be confident that it will be a perfect, hassle-free fit.
Application. The Roush Polished Billet Radiator Cap is designed to fit all 1996-2021 Ford Mustangs.
Fitment: 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Details
Roush 421258
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 15 Minutes
Difficulty Level:
Simple installation for anyone.
What's in the Box
Tech Guides:
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