• .400 Pro Tree - 16 Car Qualified Field - Sportsman Ladder (1-9, 2-10)
• No Power Adders
• Transmission: Auto Trans and Clutch Assisted Stick OK. Clutchless Transmissions add 150#’s
• All Cars Must be Shifted Manually – NO Electric or Air Shifters
• Maximum Tire 29.5 x 10.5 (NO W's allowed) Drag Radials are OK they must not be larger than spec slick
• Single Carb or Single Throttle Body (EFI)
• Cast Intake Only (No Sheet Metal Intakes)
• Rear Suspension: Ladder Bar and Stock Style OK - Four Links add 75#’s - NO Wheelie Bars
• Stock Frame Rail from Firewall Forward - Bolt-on replacement parts OK. NO Tube Chassis Front End
• Body Panels: Factory appearing bolt-on replacements ok. NO one piece front ends. OEM style forward facing hood scoop OK, Pro Stock style forward facing hood scoops add 50#s.
• Glass – Lexan is allowed in the doors, sides and the back
• Stock Appearing Interior, Including TWO Front Seats
• Must use Mufflers - No gutting, they should be used as manufactured. Insert mufflers are not allowed, collector mufflers are fine.
• Class designation - AM followed by your number

Weights

Small Block minimum weight 2950 pounds

Big Block minimum weight 3350 pounds

MUST MEET ALL IHRA RULES INCLUDING LICENSE AND CERTIFICATION
WE RECOMMEND ALL DRIVERS USE ENGINE DIAPERS