Will these tires fit on viper 20 x 8.5 inch rimS?

No. Minimum rim width would be 10 or 10.5 inches

I saw on the nitto website that it's good to use the g2's on the front and the r11's on the back. Is this better?

It is what I run on my 2018 ZL1 Camaro. I am on my second set of RII and still have the first set of G2 on the front.

Do they fit 2011 2ss camaro without spacers ?

I don't know since I am into MOPARS only now. I used to have several 1967-1973 but none of the newer ones.

Can you put them on a 9.5 inch rim

I believe the minimum recommended rim width is 10 inches. I have them on 10.5 inch and they fit and work well

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Nitto 305/35R20 107W XL NT555RII BW

Product ID: 225828169

Details

Brand
Nitto
Load Capacity
2149 pounds
Load Index
107
Rim Size
20 inches
Section Width
30.5
Size
305/35R20XL

⚡107W speed rating for high-speed stability

🛞Large twin center ribs for max dry traction

🏎️305/35R20 XL size for aggressive fit

5401.87 DT

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Description

🏁 Dominate the track with precision grip and power – don’t just drive, command the road!

TWIN CENTER RIBS - Continuous contact patch ensures unmatched dry traction and enhanced stability at every turn.
XL LOAD CAPACITY - Supports up to 2,149 lbs, perfect for high-performance vehicles demanding durability and strength.
PERFECT DRIVE AXLE PARTNER - Pairs seamlessly with NT555G2 on non-drive axle for balanced, race-grade performance.
SOFT RACING TREAD COMPOUND - Optimized for extreme conditions, delivering exceptional grip and handling when it matters most.
RACE READY RADIAL CONSTRUCTION - Engineered with stiff sidewalls and radial design for superior launch control and cornering precision.

The Nitto 305/35R20 107W XL NT555RII BW is a DOT-approved, radial performance tire designed for autocross and road racing. Featuring a stiff sidewall, large twin center ribs, and a soft racing tread compound, it delivers superior dry traction, stability, and handling under extreme conditions. With an XL load rating of 2,149 lbs and a high-speed W rating, it’s engineered for drivers who demand race-ready performance and durability.

Specifications

ASIN	B0867PY25X
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#629,298 in Automotive ( See Top 100 in Automotive ) #1,385 in Passenger Car Performance Tires
Brand Name	Nitto
Construction Type	Radial
Customer Reviews	4.7 4.7 out of 5 stars (107)
Global Trade Identification Number	04981910527756
Included Components	Tire
Item Diameter	28.43 inches
Item Dimensions	28 x 28 x 12 inches
Item Type Name	NT555RII
Item Weight	29 pounds
Load Capacity	2149 pounds
Load Index	107
Manufacturer	Nitto
Manufacturer Part Number	108580
Manufacturer Warranty Description	Standard Manufacturer Warranty
Maximum Pressure	50 psi
Model Number	108580
Ply	XL
Rim Size	20 inches
Rim Width	20 inches
Seasons	Year Round
Section Width	30.5 centimeters
Size	305/35R20XL 107W
Speed Rating	W
Tire Aspect Ratio	35
Tire Diameter	20
Tread Depth	6.3 thirty_seconds_inches
Tread Type	Symmetrical
Unit Count	1 Count
Vehicle Tire ISO Metric Size Description	305/35R20XL

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5401.87 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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