Comp Cams Valve Spring Kit, Ford Coyti Retainers 3G4RBF all Guana Equipment tents have

all Guana Equipment tents have a plaque with the serial number so you know which batch and tent you own

Use of a resonator is recommended for street car applications (not included)

Driving pattern

XL 2013 - 2014 Ford F-250 Super Duty Platinum 2013 - 2014 Ford F-350 Super Duty Platinum 2011 - 2014 Ford F-350 Super Duty XLT

Size guide

Comp Cams Valve Spring Kit, Ford Coyti Retainers 3G4RBF all Guana Equipment tents haveCreates higher load, higher RPM & more lift capacity than stock parts Complete kit; includes (32) springs, (32) retainers, (32) seats, & (32) seals Increased valve control over stock springs (especially at high RPM) thanks to a performance driven design & proven modular engine track record Fits 2011 2014 & 2015 Later; Ford Coyote & Boss 5. 0L engines Vehicle Fitments: Year Make Model Submodel 2011 2012 Ford F 150 Harley Davidson Edition 2011 Ford F