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Flat Pulley for EC Billet Belt Clutch
4100 Flat Pulley for EC Billet Clutch
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Flat Pulley for EC Billet Belt Clutch

Part Number: 4100
Online Price: $50.00
4100 Billet Flat Pulley for EC Racing Lawnmower Clutch
Availability: In Stock.

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Description

4100 Billet Flat Pulley – Replacement for EC Racing Lawnmower Belt Clutch


The 4100 Billet Flat Pulley is a direct replacement pulley designed specifically for the EC 4070K Billet Racing Lawnmower Belt Clutch Assembly. Precision-machined from high-quality billet aluminum, this pulley delivers durability and high-performance reliability for serious racing applications.


Equipped with sealed high-speed 5/8" bearings, the 4100 pulley is engineered to withstand the rigors of high-RPM racing environments. It functions as the belt tensioner, engaging the drivetrain by controlling belt pressure between the engine and the transmission or gearbox.


Key Features:

  • Part #: 4100
  • Material: CNC-machined billet aluminum
  • High-speed sealed 5/8" bearing for smooth and durable performance
  • Acts as the flat tensioner pulley in the EC 4070K clutch system
  • Designed specifically for racing lawnmowers and garden tractors


Compatibility:

  • Direct replacement for the 4070K EC Billet Belt Clutch Assembly
  • Works with 1/2" V-belts
  • Ideal for Prepared Class racing lawnmowers and custom drivetrain setups


Looking for the matching V-Groove Pulley?

Use Part Number: 4101 for the billet V-groove pulley replacement.

FAQ

Q1: What is the 4100 pulley used for?

The 4100 pulley is the flat tensioner pulley used in the EC 4070K Billet Racing Lawnmower Clutch Assembly. It helps engage the belt to drive the transmission or gearbox.


Q2: What size bearing is in the 4100 pulley?

It features a sealed high-speed 5/8" bearing, ideal for high-RPM and race-level stress.


Q3: Is this pulley made from billet aluminum?

Yes, the 4100 is CNC-machined from billet aluminum, ensuring excellent strength, balance, and heat resistance.


Q4: Is this compatible with standard 1/2" belts?

Yes, it’s designed to work with 1/2" V-belts, common in racing lawnmower drivetrain setups.


Q5: What if I need the V-Groove pulley too?

You can purchase the matching V-Groove pulley under Part Number: 4101.

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