5.4 DOHC Navigator MMR Billet Chain Guides / Arms (pivoting)

Constructed of Billet Aluminum vs the stock plastic, eliminates timing variation under high RPM and load. Reduces 6 degrees of forward/aft movement at the pivot. Works with all other factory and aftermarket components. Lifetime warranty against breakage. Red Anodized corrosion resistance. No more broken plastic guides on performance applications!! Required for all 6000+ RPM applications

Fits all 5.4 DOHC blocks (iron and alloy) Includes new wear strips - ready to bolt on!

Plug and Play!

Also fits Australian 5.4 Applications

Does not fit GT500 (see mmr part# 562195)
Does not fit 2V/3V applications (see 542295 or 543295)