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#99
WSORR Pro-2WD Truck built, and prepared by
Probst Motorsports.
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Powerplant |
Chevrolet V-8, 800 HP- ProPower Engines |
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Chassis |
Probst-Built |
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Engine Filtration |
K & N Filter |
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Ignition |
MSD Ignition |
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Lubrication |
Lucas Oil |
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Transmission |
GM/Raybestos clutch packs-3L80 Auto. Trans by SAE |
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Suspension: |
Fox Shox- 20" wheel travel front & rear |
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Tires |
Toyo 35x12.50/17 Open Country |
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Driver Filtration |
Fresh Air System |
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Cockpit |
CNC pedals, Sparco Seat & Steering Wheel, Autometer Gauges |
#5
/ #44
WSORR Pro-Light Truck built, and prepared by
Probst Motorsports.
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Powerplant |
Nissan KA24DE 4-cyl. 300 hp, 230 ft. lbs. built by Jeff Probst
Design |
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Chassis |
Probst-Built
Uweld Chassis Kit |
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Engine Filtration |
K & N Filter |
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Ignition |
MSD Ignition |
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Lubrication |
Lucas Oil |
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Transmission |
G-Force 4-speed, Tilton 5 1/2 Clutch, Long vertical gate
shifter |
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Suspension: |
Uweld
Control Arms with Fox Shox - 12" front & 14" rear travel |
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Tires |
Toyo
M/T, 265/75/R16
Open Country |
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Driver Filtration |
Fresh Air System |
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Cockpit |
Tilton
Pedals, Sparco Seat & Steering Wheel, Stewart Warner Gauges,
Mastercraft harnesses |

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Kevin Probst: Driver -
#99 Pro 2WD/ Team Coordinator
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Jon Probst:
Driver -
#5 Pro Light / Fabrication |
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Vickie Probst: Executive Administrative /
Race Spotter |
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Jeff Probst: Engines / Fabrication (right)
Tim Szepelak: Fabrication / Acquisition Manager
(left) |
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Justin Evans: Crew / Organizational |
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Jim Woodard: Electrical / Fabrication
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Pat "Mater" Shepard:
Crew
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Frank "Bud" Sotolar: Crew / Marketing Associate
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Karolyn Sotolar: Crew / Marketing Associate
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Steve Probst: POPS - Crew Chief Emeritus
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- Ryan Probst:
Crew/Acquisition Assistant
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- Kara Probst:
Motivational Singer/Administrative Assistant
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