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Challenger SRT Hellcat
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Discussion Starter · #1 ·
The Proxes R888R DOT competition tire* is an evolution of the race-winning Proxes R888, delivering even faster lap times and better dry handling. The credit goes to a new tread design and an improved contact patch that puts more rubber on the track. Racers will also appreciate the predictable handling and how quickly the Proxes R888R reaches optimal operating temperature

More Information: 2/19/21 - Toyo R888R DOT Competition Tires In-Stock Inventory Report @ DragRacingWheels.com

569019


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20 inch Tires

19 Inch Tires
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15 Inch Tires
 

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Challenger SRT Hellcat
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357 Posts
Discussion Starter · #3 ·
no 325's?
Currently none in-stock. Looking at about 4+ weeks if ordered now for them. Especially 325/30ZR20 due to the crazy demand for them right now.
 

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2016 Bright White Challenger
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1,330 Posts
305 for 20" wheel? I don't think the stock 9.5 width will allow a 315.
 

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Challenger SRT Hellcat
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357 Posts
Discussion Starter · #5 ·

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Challenger SRT Hellcat 6MT
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396 Posts
305 for 20" wheel? I don't think the stock 9.5 width will allow a 315.
I wouldn't run even 305 R888R on a 9.5" wheel: they run large, and 305 R888R is more like other tires in 315. I have 305 R888R on a 11" rim and it looks like 11.5" might be a better fit for the tire.
 

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2021 Charger Redeye
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167 Posts
How are these tires for traction compared to nitto nt05 or n555r2 ???? How will 315 or 325 fit on a widebody charger ?
 

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Challenger SRT Hellcat
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357 Posts
Discussion Starter · #9 ·
How are these tires for traction compared to nitto nt05 or n555r2 ???? How will 315 or 325 fit on a widebody charger ?
They do very well compared to ET Street S/S. We do not sell Nittos so I can touch on that. However, we have a handful of high horsepower Hellcats and Z07 Z06 Owners running these for their street / strip / roll racing setup.

Widebody 315 will work, 325 has been sold for them but we haven't been informed if they had any clearance issues or made clearance modifications.
 

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Challenger SRT Hellcat
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180 Posts
How well can the r888r put the power down on a stock Hellcat from a dig and slow rolls?

How long do they last on average and how are they in the rain?

Would 10.5 inch wide replicas accommodate the 305 r888r just fine?

Are they still noisy for a daily driver even if you only get a set for the rear instead of all four corners?

Trying to decide between the r888r or the Nitto 555r2. Thanks in advance for answering questions.
 

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2016 Bright White Challenger
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1,330 Posts
I wouldn't run even 305 R888R on a 9.5" wheel: they run large, and 305 R888R is more like other tires in 315. I have 305 R888R on a 11" rim and it looks like 11.5" might be a better fit for the tire.
Figured, I have a fresh set of PS4's on my car now in 305 and I think thats about as wide as would fit on factory. Def going to grab a set of demon reps or some other WB rep soon to be able to run a wider tire. Thing still has massive traction issues.
 
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