LIMITED LATE MODEL RULES:
(BY THE 2024 NASCAR RULE BOOK WITH THE FOLLOWING EXCEPTIONS)
OVERALL CAR WEIGHT (total/right side) - CARB requirements:
- GM 602 crate: (3000/1300) 390 4bbl / any 1” alum spacer
(3025/1325) 650 4bbl / any 1” alum spacer
- GM 603/ZZ4 crate: (3000/1300) 390 4bbl / any 1” alum spacer
(3025/1325) 650 4bbl / any 1” alum spacer
- Ford 347 JR crate: (3000/1300) 390 4bbl / any 1” alum spacer
(3025/1325) 650 4bbl / any 1” alum spacer
- GM 604 crate: (3050/1350) 500 2bbl HPX or Ultra / any 1” alum spacer
- Dillon 70cc: (3075/1350) 500 2bbl HPX or Ultra / any 1” alum spacer
- LMSC Built (Steel Head): (3050/1350) 450 carb / 350 adapter / any 1” alum spacer
- Chevy Spec Upgrade: (3125/1415) 450 carb / 350 adapter / .75” 2 hole non tapered spacer
- Ford 347 SR crate: (3100/1400) 450 carb / 350 adapter / .75” 2 hole non tapered spacer
- HMS Enforcer: (3100/1400) 450 carb / 350 adapter / .75” 2 hole non tapered spacer
Clarification:
450 Carb is 500 top with a 350 bottom. The only 500 Tops allowed are 4412 or HP 500 with 350 bottom pt # 2300. NO modifications permitted outside NASCAR Tech Specs
SHOCKS / BUMP STOPS
- Shocks and Bump Stops will be permitted in accordance with the 2023 NASCAR RULE BOOK
- In addition, AFCO and PRO shocks will be legal WITHOUT BASE VALVES.
