2018 ULTRA4 Rule Change

To Ultra4 Drivers, fans, and partners, As many of you are aware, the concept of eliminating the use of redundant tire inflation systems (Tire Liners, Tire Balls, etc) has been…

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Spidertrax Dominates 2016 King of the Hammers

A successful Ultra4 race program requires many different facets.  A talented driver, a skilled navigator, an experienced support team, and Spidertrax Spider9 axles.  That’s right, Spider9 axles have proven to…

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2016 ULTRA4 Schedule

2016 KOH Week: 1/31 – King of The Motos 2/1 – ULTRA4 vs. SRRS Shootout 2/2 – 4 Wheel Parts Qualifying 2/3 – Polaris KOH UTV Race 2/4 – Smittybilt…

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Power Tank Contingency

The goal is to offer a discount on our Power Tank products to all KOH competitors in all classes in exchange for running our decals on their racecar/motorcycle/UTV which may…

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Tech Inspection for KOH Week 2015

Tech Inspection Info for KOH Week 2015 4400(ULTRA4s), 4500(mods), 4600 (stocks), 4800 (legends) classes All drivers must pay an annual $100 tech fee for each vehicle they plan to race…

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Falken Tire Offers New Racer Program

Nestor Cabrera Falken Tire Corporation Off Road Department Supervisor 8656 Haven Ave Rancho Cucamonga Ca 91730 July  2, 2014 Dear ULTRA4 Competitors: We are pleased to announce our first racer…

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AIRAID Announces KOH Contingency

AIRAID Announces Contingency and Racer Support for 2014 King of the Hammers   AIRAID Filter Company is pleased to announce its contingency and racer support program for the 2014 King…

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Currie KOH Video Contest

The Currie-KOH video contest will be going on the entire KOH week. We are asking contestants to film videos (30-45 seconds) of Currie sponsored vehicles and submit the videos one…

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Warn Industries Offers 2014 KOH Contingency

Warn Industries Offers 2014 Griffin King of the Hammers Contingency Warn Industries will be at King of the Hammers Vendor Show on WARN Way  Clackamas, OR (1/ 25/14) — Warn Industries announces their…

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ADS Will be at 2014 KOH

ADS Off-Road Racing Shocks will be attending the 2014 King of the Hammers race in Johnson Valley, CA the week of Feb 3, 2014. The King of the Hammers is…

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BFG Racing 2014 KOH Letter

TO:                              BFGoodrich® Tires Race Teams FROM:                        Nate Hunt DATE:                         January 1, 2014 SUBJECT:                 BFGoodrich®  King of the Hammers Greetings everyone! BFGoodrich® will once again support the Griffin King of the Hammers event with…

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Zero Tolerance for Drunk Driving at KOH

Notice to all KOH Attendees: There is a zero tolerance policy regarding drinking and driving. The Johnson Valley OHV area will be policed by BLM, local law enforcement and private…

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FOX Hires Wayne Israelsen for 2014 KOH Week

FOX Hires Rock-Racing Suspension Guru Wayne Israelsen for 2014 King of the Hammers Event Company Boosts Contingency Package to $15,000, Offers Free Tuning Sessions with Israelsen at Johnson Valley Event …

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Axial Returns To Hammertown For KOH 2014

(CA, December 2013) Axial R/C Inc, manufacturers of the official R/C vehicles of ULTRA4 Racing, will once again be showing off their products in Hammertown at the 2014 Griffin King…

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Campbell Racing Wins at Badlands

Ultra4 Ultimate Motorsports Challenge at the Badlands Attica, IN June 28 & 29, 2013 Gilbert, AZ (July 5, 2013)-Monster Energy drivers Shannon and Wayland Campbell, headed to Indiana for the…

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Mad Matz Qualifies For 2014 KOH at Badlands

Ruckersville, VA. – Matthew Peterson and co-driver Bryce Marshall drove the Mad Matz Unique Jeepz 500hp “Screaming Green Machine” to a respectable 10th place finish out of a very competitive…

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PAC Racing Springs #4418 KOH Review

The PAC Racing Springs Ultra4 Team had an excellent week of racing at this year’s King of the Hammers.  The team was as ready for battle as ever.  This year’s…

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King Shocks’ Drivers Conquer 2013 KOH

FEBRUARY 21, 2013 – GARDEN GROVE, CA After a relatively short life span of existence, the annual King of the Hammers (KOH) Ultra4 Race has quickly garnered international recognition with the likes…

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What is an Axial Recon G6?

What is a RECON G6? If you have ever been to one of these events, the veterans will tell you, “It is whatever Parker wants it to be”. For those…

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WIDIA Sponsors 2013 King of the Hammers Event

“Extreme Challenges. Extreme Results.” WIDIA Sponsors 2013 King of the Hammers Event Event’s first sponsor outside racing brings powerful tooling support to extreme desert racing’s premier event “Raw awesome,” says…

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Nick Campbell Podiums at Glen Helen

4Wheel Parts Ultra4 Grand Prix Glen Helen Raceway July 20-21, 2012     Gilbert, AZ (July 23, 2012)-Campbell Racing’s Nick Campbell set out to podium and qualify for the 2013…

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King of the Valleys To Debut in South Wales

King of the Valley in South Wales this Weekend JULY 24, 2012   King of the Valleys is a brand new event, inspired by the legendary Californian extreme off-road race King of the Hammers, and held…

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Amendment 243 was approved

May 18th, update regarding Amendment 243: Save The Hammers Update: Thank you to everyone who helped spread the word in support of Bartlett’s Amendment 243.  We are happy to report…

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