ALL Sprint cars that compete at the Jackson Motorplex in 2020 are required to have both the front axle tethers along with the King Pin Tethers.
January 2020 all axle tether systems must clamp to or wrap around the axle per the manufacturer’s instructions.
Current approved:
ButlerBuilt:
A. BBP 4922-225 2 1/4" Axle diameter complete kit
B. BBP 4922-238 2 3/8" Axle diameter complete kit
C. BBP 4922-250 2 1/2" Axle diameter complete kit
D. BBP-4924 King Pin Tether
C & R Racing Sprint Car Front Axle King Pin Tether System E. Radius Rod Tethers part Numbers (NOT ALLOWED IN 2020 unless utilizing an axle clamp or other approved axle mounting system.) F. CRA-102-255/265/27/275/28-A
G. CRA – 103 – 53 – A
H. CRA – 103 – 54 – A
I. CRA – 103 – 55 – A
Amick Associates Radius Rod Axle Tether
A. Part Number: WC-101M 8mm X 36” Radius Rod Tether (15,000 lbs. Nominal Breaking Strength) (V-12 with Red Tracer)
The approved tethers may be revised from time-to-time with additional approvals and/or other changes to the approved list.