FAS Predator Lower Pulley (No Tune Required) F.A.S. Billet Parts F.A.S. Motorsports main product image | F.A.S. Motorsports Slide 1 of 2: FAS Predator Lower Pulley (No Tune Required) F.A.S. Billet Parts F.A.S. Motorsports main product image | F.A.S. Motorsports
FAS Predator Lower Pulley (No Tune Required) F.A.S. Billet Parts F.A.S. Motorsports detail image 2 | F.A.S. Motorsports Slide 2 of 2: FAS Predator Lower Pulley (No Tune Required) F.A.S. Billet Parts F.A.S. Motorsports detail image 2 | F.A.S. Motorsports

FAS Predator Lower Pulley (No Tune Required)

F.A.S. Billet Parts

$899.99

Important information for this package.Important information

The FAS Predator Lower Pulley increases supercharger boost for dramatic horsepower gains. Designed for Hellcat-powered vehicles, this upgrade is proven in 1000+ WHP builds.

Platform

Choose the configuration that matches your build.

Product Details

FAS “PREDATOR” Slip On Lower Pulley!

The ONLY Patent Pending Slip On "No Tune" Lower Pulley for the Hellcat Platform!

1.5-2psi gain with NO TUNE REQUIRED! 40-70+whp gain over stock!

PATENT PENDING!!

The all new FAS “Predator” lower pulley features a slip on design which makes install quick and easy! With 25+ years in serpentine belt pulley manufacturing, our machine shop designed this pulley to be a true slip on NO TUNE pulley that is 10% lighter than the competitor (With a 10% reduction in rotating mass we have increased the damping ability and lowered reciprocating loss. Less weight on your serpentine system means more power and more durability!

NO REMOVAL OF OEM HARMONIC BALANCER! Saves time, and keeps the dampening of your OEM balancer!

The FAS Predator Pulley works flawlessly, with zero belt squeaking, belt slipping, advanced belt wearing etc… with this correctly designed pulley, you can have confidence in your vehicle and maintaining its factory warranty with NO ISSUES!

The FAS Predator Lower Pulley comes as a full kit with everything needed! New Crank Bolt, all fasteners, loctite, belts, install instructions etc…

The FAS Predator Lower Pulley is engineered for Hellcat enthusiasts ready to push performance beyond stock limits. By increasing the supercharger’s drive ratio, this pulley upgrade delivers higher boost levels, unlocking substantial horsepower gains when paired with proper supporting mods and tuning.


Manufactured from high-strength materials and precision balanced for durability, the Predator Lower Pulley is trusted in FAS Motorsports 850, 1000, and higher power packages. This upgrade is essential for maximizing performance when combined with upper pulleys, injectors, and custom tuning.

Optional Upgrades

Optional Upgrades
$ 899.99
Predator lower pulley (slip-on design)
Crank Bolt
All required fasteners
Loctite
Belts
Installation instructions

Related Products

Recommended Upgrades

Total:$ 899.99

Top Products

Explore our most requested billet components and performance upgrades, each engineered in-house and backed by track data.

Top Services

Pair your hardware upgrades with professional installation, calibration, and security options from the F.A.S. Motorsports team.