ULTRA4, 4900 CAR, and ROCK BOUNCER test and tune! | King of the Hammers 2025

We spent the day testing and tuning an ultra4 car, brand new rock bouncer, and a tube chassis RZR. The Ultra4 shock tune was in preparation for the 4400 race at King of the Hammers 2025. Chris Weygandt from Diddy's Big Block Race Shop was working the compression and rebound tubes on the Bypass Shocks.
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BUY 7075 ALUMINUM LINKS
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BUY EIBACH SPRINGS:
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BUY RADFLO BUMPSTOPS
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DIDDY'S BIG BLOCK RACE SHOP:
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🧨 WATCH THIS NEXT ➡︎    • The ULTIMATE UTV BUILD (Assembly Process) ...  
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RACING PARTNERS:

PRP SEATS
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OBOR TIRES
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RACELINE WHEELS
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https://racelinewheels.com/collection...

CUSTOM SPLICE RECOVERY GEAR:
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https://customsplice.com/collections/...

RADFLO SHOCKS:
https://radfloshocks.com

EIBACH SPRINGS:
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RCV PERFORMANCE:
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WARN WINCH:
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FACTOR 55:
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WIDE OPEN DESIGN:
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CRANE AXLE:
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METALWERX SUSPENSION:
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SUPER ATV:
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RUGGED RADIOS:
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FRAGOLA PERFORMANCE
https://fragolaperformancesystems.com

ULTRA 4 RACING
https://www.ultra4usa.com

NITRO RACING PARTS:
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CRASH CITY SXS:
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TRINITY RACING:
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