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BSB Mfg. Performance Driven
Sanctioning Series
IMCA Racing:
CRUSA Racing:
Stock Car
Northern Sport Mod
A- Modified
Late Model
620 Late Model
604 Late Model
B-Mod
A- Modified
Street Stock
USRA Racing:
Stock Car
B-Mod
A- Modified
Always check your rules and local track rule to determine if a shock is legal or not.
UMP Dirt Car:
Stock Car
B-Mod non sanction
A- Modified
Sportsman
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