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ZZPerformance
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Modular Pulley System

$99.99
46 reviews

Pulleys & Belts - Modular Pulley System
Pulleys & Belts - Modular Pulley System

This our full Modular Pulley System, it comes with our Modular Hub and a Modular Pulley of your choice.

By developing Ecotec specific pulleys we have run all the way down to 2.7" with out snout machining. However each snout is cast and machined differently so we only guaranty down to 2.8" without machining.

Recommended Pulley sizes based on 93 octane (91 add .1 - 89 add .3):

  • 3.35" pulley - Stock OEM size
  • 3.1" pulley - 42# injectors
  • 3.0" pulley - Stage 2 Kit, ZZP Down pipe, 93 octane.
  • 2.9" pulley - Stage 3 Kit, 60# injectors, Dual Pass End plate, Header/Down pipe, 93 octane.
  • 2.8" pulley - 2.9" mods, plus 75% meth or e85
  • 2.7" pulley - Stage 3 Kit, 60# injectors, Dual Pass End plate, Header/Down pipe, Stage 1+ cams
  • 2.6" pulley - Stage 3 Kit, 60# injectors, Dual Pass End plate, Header/Down pipe, Stage 1+ cams, Ported Head

Recommended ZZP mod list, click HERE

Pulleys & Belts - Modular Pulley System
Pulleys & Belts - Modular Pulley System
Pulleys & Belts - Modular Pulley System
Pulleys & Belts - Modular Pulley System
Pulleys & Belts - Modular Pulley System
Pulleys & Belts - Modular Pulley System
Pulleys & Belts - Modular Pulley System
Pulleys & Belts - Modular Pulley System
Customer Reviews
5.0 Based on 46 Reviews
5 ★
96% 
44
4 ★
4% 
2
3 ★
0% 
0
2 ★
0% 
0
1 ★
0% 
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  • heat marks
  • burrs
  • scratches
  • pulley
  • system
  • Installation
AW
10/11/2020
Alexander W.
United States United States

Great System

Pulley and hub were very well made with no burrs, scratches, or heat marks. Installation was straightforward and completed in less than an hour. Pulley is very lightweight and seems to be very strong. Overall, I would buy the modular system again (including a smaller pulley in the future!)

Modular Pulley System
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SD
06/16/2020
Slavik D.
Canada Canada

The piece is really high-quality and nice looking. Amazed with the torque gain, car is definitely way snappier with a 2.9 pulley. Boosts to 16-17 psi, comparing to 12psi stock. Surprised to see that no cooling mods are necessary - prolonged 30 min runs with ~10 WOTs don't get IAT2 temps over 130F (with 60F ambient temps).

ZZPerformance Modular Pulley System Review
Modular Pulley System
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RR
11/12/2018
Rafael r.

Great Quality

Does the job perfectly

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JM
11/02/2018
Joshua M.

Great system

Great system to change pulley size. Fit great. Highly recommend.

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MD
04/17/2017
Marietta D.

Great quality products and fast

Great quality products and fast shipping! plus the injectors i got also were in such a cool, safe container that definitely made me feel like they care about customers getting their products undamaged. Will order from here again

Modular Pulley System
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