MMR Coyote Billet Steel Secondary Upper Chain Guides for Ford Mustang / F-150 2011-19
MMR has the answer, with its new Patent Pending Heat Treated Billet steel guides.
Unfortunately the 5.0 Engine was never designed for racing fuel operation (c16, q16, E85, methanol 100 octane and octane boosters), the plastic secondary guides are softened quickly by chemicals contained in these fuels that eventually make their way into the oil past ring gaps to the point of failure as shown below. Furthermore increased valve spring pressure and load from aftermarket camshafts and cams place the part under extreme load. This causes secondary chain failure and ultimately catastrophic engine failure.
MMR has the answer for these applications with its new Patent Pending Heat Treated Billet steel guides.
The MMR guides completely eliminate this problem. The MMR chain guides are lubricated by oiling holes to prevent wear and utilize a unique design that rolls on the chain rollers rather than sliding on the links to all but eliminate wear and decrease friction and ultimately provide reliable operation for both street and strip vehicles.
- These guides are suitable and recommended for ALL Fuel types.
- 2 Guides included for 1 engine.
- Direct replacement. Plug and Play.
Suggested item: MMR SHD Chains #467888-MMR
Patent pending - Provisional Patent Application Number 62/647,350
- Ford Mustang 5.0L GT 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
- Ford Mustang BOSS 2012, 2013
- Ford Mustang GT350 2016, 2017, 2018
- Ford Mustang GT500 2019
- Ford F-150 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
- Ford Falcon GT 2011 & Falcon XR8 2014, 2015, 2016, 2017 & Falcom FPV GT-F 2014 (Australia)
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