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Well they'll fit. lol Slightly wider from my stock SP tire... Price was right!
Assuming you have a 9" wheel or so...
"
 

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The 255s will. The original post in this thread was about 275s, and we're jumping around a bit

A Guy
 

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The 255s will. The original post in this thread was about 275s, and we're jumping around a bit

A Guy
My Scat has the 245 and I can not go any bigger than a 275.???? You know more than me......especially about tires. But that doesn't sound right. Sorry to interfere.
 

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The widest recommended tire for a 9" wheel is 275, correct.

A Guy
 

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The widest recommended tire for a 9" wheel is 275, correct.

A Guy
I'll never understand the "new" way of measuring tires..... lol Oh for the G/70/14......
 

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Lol, been a while...

977693


A Guy
 

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So how does a 245 width require a 9" wheel and a 255 an 8???? Now I'm curious.... lol
 

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245/45R20 7.5-9.0"

255/45R20 8.0-9.5"

275/40R20 9.0-11.0"

No one said a 245 requires a 9" wheel...well, except you :D

A Guy
 

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245/45R20 7.5-9.0"

255/45R20 8.0-9.5"

275/40R20 9.0-11.0"

No one said a 245 requires a 9" wheel...well, except you :D

A Guy
Thanks for clearing that up.
 

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I ordered some Pirelli P-Zero 275/40/20's for my rear on the 2018 Challenger but I'm afraid to put them on because I meant to order 45's. Does anyone have 40's installed and how does it look if so??
 

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Welcome to Challengertalk! The 275/40r20 is the correct size to match the stock height. Same height as the 245/45R20, and the 315/35R20. You actually want the 275/40R20 ;) (y)

A Guy
 

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I recommend taking a look at this,

@NTMG , What size rims do you have?, with a 9 inch wide, you can go up to a 275/40/r20,
 

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The 255/45 will be much closer to the 245/45 than the 255/50

A Guy
 
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