MMR's perfect circle "R" Camshaft gears have all of the benefits of the standard Perfect Circle gears but with a greatly reduced weight. These are perfectly at home on the street or the track with the same perfect reliability as our standard gears - just in a lighter version new for 2023!! The new "R" series gears save an additional 18oz of rotating mass compared to the standard series!! In the performance industry this is HUGE!!
MMR's Perfect circle and Perfect Circle R Gears are designed for all Street Performance / Race 5.0 Coyote applications that no longer use the VCT. The MMR gears replace the factory out of round / oval gears with a Perfectly round, CNC machined Billet, heat treated steel gear.
QTY 2 Gears Included (only required for exhaust cams - these are not used/required on intake cams)
These gears INCLUDE the Adjustable Phaser lockouts / VCT deletes.
Fits all 2011-2017 5.0/5.2 Applications and 2020+GT500 applications (GT500 applications please select 15-17 Option below)
Increases Primary and Secondary Chain Life
Increasee Primary and secondary tensioner life
Prevents Primary Chain tensioner failure
Decreases Front camshaft journal wear
Smoother and Quieter operation
Increased HP (tensioner no longer acts like a hydraulic brake upon the timing chain)
***This is a heat treated steel part and moisture or human handling prior to install can cause minor surface rust (like a brake rotor), This does not affect performance of the item in ANY way and is no cause for concern.