DOWNLOAD PDF VERSION: SNMP – 2025 LIMITED LATE MODEL RULES
2025 LIMITED LATE MODEL RULES
SPOOKTACULAR AND THANKSGIVING CLASSIC
Track rules will follow the 2025 NASCAR Advanced Auto Parts Weekly Series rulebook with the FOLLOWING EXCEPTIONS:
| Motor Type | Overall Weight / Right Side | Carb Requirements |
| GM 602 Crate | 3000 / 1300
3025 / 1325 |
390 4bbl / any 1” Alum Spacer
650 4bbl / any 1” Alum Spacer |
| GM 603/ZZ4 Crate | 3000 / 1300
3025 / 1325 |
390 4bbl / any 1” Alum Spacer
650 4bbl / any 1” Alum Spacer |
| Ford 347 JR Crate | 3000 / 1300
3025 / 1325 |
390 4bbl / any 1” Alum Spacer
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 350 spacer |
| Ford 347 SR Crate | 3100 / 1400 | 450 Carb / 350 Adapter / .75” 2 hole non-tapered 350 spacer |
| HMS Enforcer | 3100 / 1400 | 450 Carb / 350 Adapter / .75” 2 hole non-tapered 350 spacer |
A 450 Carburetor is an old-style 500 Carb with the choke horn and a 350 base plate on the bottom. The only 500 tops allowed are the 4412 or HP 500 with a 350 base plate (part #2300) on the bottom. NO MODIFICATIONS permitted outside NASCAR Tech Spec.
SHOCKS AND BUMP STOPS
- Shocks and bump stops will be permitted in accordance with the 2025 NASCAR Rule Book.
- In addition, AFCO and PRO shocks will be legal without base valves.
BODY RULES
- Must have rocker panels on both sides of the car. The rocker panels must match on both sides with a minimum thickness of .025”. Rocker panels can be made of either aluminum or magnetic steel, as long as both sides match.
- Maximum width of body parts and side skirts between front and rear tires is 77 ½ inches.
- The right side door and quarter panel must be flat and not concave in.
- The rear window must have a vertical brace in it to keep it from pushing in. The rear and side windows must have all the screws / rivets in and tight.
If any of the body components cannot be fixed, you will add 25 lbs to the right side per infraction.
