FAS Predator Lower Pulley (No Tune Required)

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.

Key Benefits:

• Significant horsepower and torque increase
• Precision-machined for strength and balance
• Supports 850–1200+ WHP builds
• Proven reliability in FAS Motorsports packages
• Direct-fit upgrade for Hellcat platforms