Ford Performance 5.0L COYOTE BOSS 302 TIMING CHAIN TENSIONERS

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Fits 2011-2023 Mustang 5.0L Coyote engines Fits 2011-2020 F150 5.0L Coyote engines Designed for improved timing chain durability in high rpm applications. Used on 2013 Mustang Cobr a Jet engine program Includes a pair of primary and secondary chain tensioners and bolts ***Note: When using Boss primary tensioners, you must use CR3Z-6K255-A tensioner arms. These arms provide the necessary pocket for the tensioner ratcheting mechanism. Show more