Subaru

Subaru Lightweight Main Pulley

$ 135.00

Availability: Ships in 24 hours
Product Code: 300102

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Description

The pulley comes specifically maintaining the stock diameter so as to not under drive and cause electrical woes for the owner, as well as maintaining the stock drive belt surface to make for a quick and easy install by even the most novice of owners. Pulley weight is 1.2lbs.


Why?

The COBB Tuning Lightweight Main Pulley is CAD designed and CNC machines from Billet 6061-T6 and anodized to withstanding the toughest of under engine conditions. Replacing the factory main pulley, the lightweight unit improves acceleration by reducing the rotational mass of the stock unit by as much as 4lbs.


Features
Subaru Lightweight Main Pulley
  • Billet 6061-T6 Construction
  • Anodized in Black
  • Stock Diameter
  • Reduce Rotational Mass by 4 lbs Over Stock
  • Pulley Weight = 1.2 lbs

Customer Photos

Reviews
Subaru Lightweight Main Pulley is rated 4.9 out of 5 by 11.
Rated 5 out of 5 by from Installed Crank Pulley on 2006 WRX TR Received my lightweight crank pulley a week ago and installed it within 30 minutes last night. Cobb's tech support gave a few pointers on what you need to loosen up belt wise during install, and it went pretty smooth. You do not need any crank pulley tool for removal - so save your money. I just threw it in 5th and pulley the E-brake, worked just fine. I did notice that I had to sand a little around the bolt hole of the pulley for a smooth fit, but it's really not that big of issue. Noticed incredible liveliness in throttle response, and a slight increase in mpg. Nice-simple upgrade.
Date published: 2014-04-23
Rated 5 out of 5 by from Simply awesome. First time ive ever written a review but this pulley will make you want to write one. Was a little skeptical on this but knowing cobb i bought it anyway. Installed it and took it for a test drive, felt a huge difference when revving out of gear and it honestly just feels like there is more on the gas pedal now. This is cheap for how happy i am with the difference. Highly recommend it. Cobb over everything.
Date published: 2015-07-29
Rated 5 out of 5 by from Wow Was very skeptical. Trusted cobb. It's like realising you have been driving with the ebrake 1/3 the way on. Goes thru the gears so much quicker. If you have a rex buy one.
Date published: 2016-11-05
Rated 5 out of 5 by from Light weight Pulley The pulley is truly amazingly lighter then the factory oem pulley. It's not a huge noticeable difference in drivability, but it does increase throttle response for sure and I haven't noticed any better gas mileage yet. All and all it's good simple upgrade from stock.
Date published: 2014-09-05
Rated 4 out of 5 by from Cobb 1.2 Lbs. Crank Pulley. It's billet Aluminum, it weighs 1.2 Lbs. It makes a HUGE difference in clutch engagement. 1st gear doesn't get dragged out as much so it saves the clutch from premature wear. Shifts through all gears engage faster/smoother. The reason it doesn't get all 5 stars: It's slightly overpriced compared to Perrins Crank Pulley made with the same metal at the same weight but Cobb does have a better structure design but that has no effect on function outside of cleanability so +1. Cobb doesn't make a matching power steering pulleys or alternator pulleys. There's not a significant amount of weight to be saved but this is a disappointment to not have pulley options for power steering and alternators. Conclusion: Buy it! You won't be disappointed with the product itself. Use a Gates stretch belt tool to install. Use a belt wrench to remove pulley. Follow all OEM torque spec. If your bolt is stretched, replace it, it should not turn much more past the original 96 Ft.Lbs. do not force it. It'd be a great first mod! 10-30 minutes to install
Date published: 2017-11-07
Rated 5 out of 5 by from Pulley install on 2008 STI Installed this product on my STI, works awesome and looks awesome in the engine bay. Had a couple small issues with the install, when pulling off the stock pulley make sure you have a second person standing on the brake and leave the car in fifth with the e-brake set so the car wont roll, if you do not have the special tool to pull the stock pulley. When putting the COBB pulley on the ac belt replacement was an issue. The belt itself was non-existent at local parts stores (auto zone/Advanced auto) so i had to go to the dealer to get a new belt. The belt itself ran me about $80.00. The reason being is that it is a kit to get the replacement belt on. since the kit is made for replacing the belt on a stock pulley there is a small pin to hold a plastic guide on the pulley (does not work on the COBB pulley). If you just zip-tie the plastic guide onto the COBB pulley then it will do the job just fine. Overall the product makes a good difference and i am glad that i bought it.
Date published: 2014-04-23
Rated 5 out of 5 by from Awesome -2003 Outback, Auto I never write reviews but had to on this product! Such a good upgrade! I feel the difference everytime I drive. It's not a massively huge difference but the engine is more responsive, especially at low speeds, and on the freeway, like going up hills with the AC on. I would never go back to the way it was before!
Date published: 2017-08-08
Rated 5 out of 5 by from Love the quality but have yet to install it yet. I bought this around a month ago and haven't had the chance to install yet but quality is great and looks great as well!
Date published: 2016-01-28
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Questions

Confirmed Applications
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