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🏆 Multiple ROAR Champs

Proven at the highest level of competition, Ulti Foam Tires are multiple-time ROAR National Champions in 1/12 Scale, 1/10 GP, and 1/8 GP racing.

Made in Japan

Premium-quality foam paired with precision-machined wheels for unmatched consistency and performance.

EP & GP Accessories

We carry a wide selection of high-quality accessories for both electric (EP) and nitro (GP) RC cars.

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REAR UPRIGHT

Infinity Rear Upright – Part # R0008 Genuine Infinity replacement rear upright for the IF18 and IF18-2 1/8 scale nitro on-road cars. The rear upright..

$5.95

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REAR SUSPENSION ARM SET

Infinity Rear Suspension Arm Set – Part # R0010 Genuine Infinity replacement rear suspension arm set for the IF18 and IF18-2 1/8 scale nitro on-road ..

$5.95

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BRAKE PAD (IF18/IF18-2)

Infinity Brake Pad – Part # R0225-03G Genuine Infinity replacement brake pad for the IF18-2 1/8 scale nitro on-road car and the IF15 and IF15W 1/10 n..

$17.85

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0.8M 2nd PINION GEAR 24T

Infinity IF18-2 0.8M 2nd Pinion Gear 24T – Part # R0253-24 Genuine Infinity replacement 2nd gear pinion for the IF18-2 1/8 scale nitro on-road car. T..

$8.50

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From the Blog

support 24 Aug 0 66

2026 Great Lakes Challenge

More great results from the 2026 GLC. Max setting the pace in 1/8 Open and 1/10 Sedan on Ulti foams with the double TQs! Tricky race lines added to the race after rain. Max would take the win using Ulti Invincible tires and Scotty 3rd with his IF18..

support 06 Aug 0 76

2026 ROAR Racing Nitro Onroad Nationals

2026 ROAR on-road Fuel Nationals is a wrap with 3 TQ's! Thank you to The Groove Raceway for hosting the nationals and doing the best with what Mother Nature threw at us. Infinity for stepping in and being title sponsor for this event and all the Infi..

support 14 Jun 0 40

2026 US Grand Prix

Congrats to everyone that came out to race the first US Grand Prix race at The Groove brought to you by Ulti Tires.Max took the TQ and win in 1/10 Sedan along with 3rd in 1/8 Open for Ulti Tires and Scotty the win in 1/8 Masters for Infinity!..

Ulti_America_Admin 01 Jun 0 1026

2024 ROAR Nats Champion

Congratulations to Byrce Butterfield for taking two TQs and two ROAR National Championship titles for the 2024 Fuel on-road nationals using Ulti tires for 1/10th Sedan and 1/8th Open. This brings our 10th and 11th ROAR National titles!..

Ulti_America_Admin 27 Nov 0 2739

'19 SW Series Champs

Congrats to Chris Kemper and Christian Jones for taking the 2019 Southwest Championships series wins in 1/10 Sedan and 1/8 using Ulti tires all season. Christian also has been running the IF18 all season long. Well done guys!..

Ulti_America_Admin 27 Nov 0 2368

2019 Halloween Classic

Congrats to Max Kuenning for taking the win in 1/12 Super Stock using VM fronts and VS rears at the Halloween Classic!..

Ulti_America_Admin 27 Nov 0 2470

2019 NYGP

Congrats to Max Kuenning for taking the win in 1/12 Super Stock and 3rd in 1/12 modified and Ollie Payne for taking the TQ and win in 1/12 modified using Ulti tires at the NYGP. Both used JM fronts and JS rears...

Ulti_America_Admin 27 Nov 0 2397

'19 ROAR Nats TQ & Champ

Congrats to Otto Rosa for taking the TQ and the win at the 2019 ROAR National Championship 1/8 Masters class...

Ulti_America_Admin 30 Aug 0 2469

2019 GLC TQ & Win

2019 GLC results: Congrats to Mike Swauger for taking the TQ/win and Joby Uchtman 10th in the 1/8 Open. Mike Swauger also finished 3rd in 1/10 Sedan. Results for 1/8 Masters, Mike Strack 2nd, Otto Rosa 3rd, Reynold Kam 8th and Don Jones 11th. Great r..

Ulti_America_Admin 30 Aug 0 2294

2019 ROAR Champion

Congrats to Tim Copp for taking the TQ and win at the 2019 ROAR Nationals in 1/12 modified. Charles Stevens also took the 2nd spot on the podium. Congrats guys!..

Ulti_America_Admin 13 Apr 0 4042

2017 Hudy GP Double Wins!

Mike Swauger takes the 1/8 Open win using the new INVINCIBLE tires. Mike used the white light weight version for one round of qualifying and chose to run the carbon rim for the final main. Mike stated the tires felt consistent and had plenty of gri..

Ulti_America_Admin 28 Sep 0 4042

ULTI Welcomes Mike Swauger

ULTI Tires welcomes Mike Swauger to the team! Mike is a former WC, multiple ROAR National Champion and brings years of knowledge and experience. Together we have already started testing new products at this past weekend's KO PROPO Grand Prix where..

Ulti_America_Admin 23 May 0 3698

2016 ULTI World Cup

Congrats to Jilles Groskamp for winning the 2016 ULTI World Cup this past weekend in Singapore using ULTI tires!..

Ulti_America_Admin 19 May 0 3748

Serpent Challenge TQ & Win

Congrats to Ron Atomic for taking the TQ and win in nitro sedan at the Serpent Challenge in Brownsville,TX this past weekend. Ron used 38 fronts and 40 rears during qualifying and turn the same lap times as 1/8 cars...

Ulti_America_Admin 19 Apr 0 3559

2016 Miami GP TQ & Win

Miami Grand Prix Dana Smeltzer would TQ and win the 1/8 Masters Class. Ruben Serrano would finish 8th in the Masters Class also using Ulti Tires.In the 1/8 Open Class Christian Lopez would qualify 5th and finish a respectable 7th...

Ulti_America_Admin 23 Mar 0 3695

2016 Airtronics GP 2 TQ's & Win

2016 Airtronics Grand Prix with great results and thank you to everyone using Ulti tires!! Two TQ's and one win with 4 podium spots. 8 of 11 1/8 Masters, 4 of 11 1/8 Expert, 4 of 11 1/8 Sportsman chose to use Ulti tires in the A Main finals.1/8 Mas..

Ulti_America_Admin 18 Dec 0 3651

2015 Santa's Helper GP

Congrats to Christian Lopez for winning the 1/8 Expert Class for the2015 Santa's Helper GP last weekend at the Greater LA Race. Christian prefers the 32 fronts and 35 rears with no sauce...

Ulti_America_Admin 29 Sep 0 3295

2015 KO GP 2 TQ's & Podiums

Great results for UTLI tires with 2 TQ's, one win and 3 poduim spots!Dana Smeltzer would TQ and win the 1/8 Masters Class, Donald Miyamoto would finish 3rd in 1/8 Masters Class, Mark Santa Inez would TQ and finish 2nd in the 1/8 Sportsman class...

Ulti_America_Admin 14 Aug 0 4314

1/8 Light Weight Carbon Rims

Ulti has released 30, 32, 35 fronts and 35, 37 rears mounted on light weight carbon wheels that are now available. Weight saving for a set (front/rear) is about 30g compaired to the standard carbon rims...

Ulti_America_Admin 04 Jul 0 3472

4th Cup Mitad del mundo Quito in Ecuador 2nd

Congrats to Edgar Fiallos for finishing 2nd this past weekend at the 4th Cup Mitad del mundo Quito in Ecuador!..

Ulti_America_Admin 16 Jun 0 3362

2015 ROAR Region 12 TQ & Champion

ROAR Region 12 on-road Championship: Dana Smeltzer TQ's and wins 1/8 Maters using Ulti tires 32 fronts and 35 rears with no sauce. Great run Dana!..

Ulti_America_Admin 07 May 0 3572

2015 ROAR Fuel Nationals

Congrats to ULTI team driver Craig Xavier for qualifying 11th and finishing 8th in the tough 1/10th Sedan class at the 2015 ROAR Fuel on-road National Championships...

Ulti_America_Admin 09 Apr 0 3787

6th ROAR National Title

Congrats to Craig Xavier for driving his Xray to win the 2015 ROAR National title in the 17.5T 1/12th scale class. Craig used J-Hard fronts with the X-Medium rears for this event...

Ulti_America_Admin 09 Apr 0 3816

1/8 WC Tires

The WC blend for 1/8th tires are now available for 30, 32, 35 fronts and 35, 37 rears. The WC blend was developed for more forward traction and less wear...

Ulti_America_Admin 06 Feb 0 1863

2015 Snowbirds Nationals Champion & TQ

2015 Snowbird Nationals Josh Cyrul TQ's and wins 1/12 Super Stock, 1/12 Stock and 3rd in 1/12 Mod.Thank you to the drivers using Ulti tires in the A Mains!1/12th GTP Modified3. Josh Cyrul [SpeedMerchant/ULTI]1/12th GTP Super Stock 13.5 1. Jo..

Ulti_America_Admin 24 Oct 0 2447

2014 IIC 1/12 Super Stock Champion

Congrats to Josh Cyrul for TQing and winning the 1/12th Super Stock class and also finishing 6th in 1/12th Modified...

Ulti_America_Admin 24 Oct 0 1915

2014 IIC 1/12 Stock Champion

Congrats to Craig Xavier for winning the 1/12th Stock class at the IIC last weekend. Craig used J-Hard fronts, X-Medium rears and lexan wheel inserts to take the win. Great run Craig!..

Ulti_America_Admin 04 Aug 0 2146

2014 ROAR National Champs #4 & #5

Congrats to Josh Cyrul for TQ and winning 1/12 Mod and Steve Boise for TQ and winning 1/12 13.5T Super Stock. Both used Ulti tires fronts and rears with rear rim stiffeners...

Ulti_America_Admin 06 May 0 1745

1/8th Sportsman @ KO GP

Congrats to Bill Jianas for taking 1st place and Don Miyamoto for finishing 2nd using Ulti tires at the 2014 KO PROPO America Nitro Grand Prix in the 1/8th Sportsman class...

Ulti_America_Admin 17 Apr 0 2631

1/12th Rear Wheel Adaptors

The 1/12th rear wheel adaptors snap into the outside of the rear wheel and are easily removed.The rear wheel adaptors add firmness to the outside of the wheel for more rotation.They come 3 pairs to a package and offered in soft or medium firmne..

Ulti_America_Admin 17 Apr 0 1438

Josh Dominates MHIC

Josh Dominates MHICJosh Cyrul attended the Mile High Indoor Championship entering all the 1/12th scale classes offered (Mod, 13.5, 17.5) with his new sponsor Speed Merchant. He would set the pace by TQ'ing all the classes and winning them all...

Ulti_America_Admin 18 Sep 0 1217

3rd ROAR National Championship Title

Dana Smeltzer TQ's and wins 1/8th Master2013 ROAR Fuel Nationals proved Ulti Tires are also great for Nitro and provided Ulti with our 3rd National title. Dana purchased all his own tires and TQ'd and won the 1/8th Masters class. Congrats Dana an..

Ulti_America_Admin 09 May 0 1316

2nd ROAR National Championship Title

Josh Cyrul has taken his 37th National title and ULTI tire's 2nd ROAR National title in the 1/12 Modified class.Josh used XH fronts and XM rears when the track temps were cooler. Once the grip came up and the track got hot he switched to the J..

Ulti_America_Admin 21 Mar 0 1134

1st ROAR National Championship Title

Josh Cyrul collects his 36th ROAR National Title and 1st ROAR National Title for ULTI.Josh qualified 4th but managed to win A1 and A3 in the finals.Josh used JH fronts and XM rears for this event.Great runs Josh and thank you for your hard wo..

Ulti_America_Admin 08 Feb 0 1154

TQ & Win at 2013 Snowbird Nationals

Serpent's Marc Fischer set the TQ pace and took the win at the 2013 Snowbird Nationals.Marc used J-hard front tires and X-Medium rears. He felt this gave his 1/12th scale car the perfect balance.CEFX's Josh Cyrul was up to 4th position from the 1..

Ulti_America_Admin 02 Nov 0 1146

1st win for Ulti in N. America

Last weekend, support driver Josh Cyrul (CEFX) drove his 1/12th modified car to first place at the Halloween Classic hosted by NORCAR at The Gate.Josh used XS fronts and XM rears to take the win after qualifying 3rd...

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