Event Paperwork

Hotel reservations
Club membership card (if applicable)
Individual event paperwork
Vehicle inspection checklist
Map of track/facilities
Insurance paperwork (if applicable)
Driving logbook
Notebook
Lap detail sheets

Personal Items

Clean clothes (including long pants and a long-sleeve shirt)
Hat
Sunglasses
Cash
Checkbook
Credit cards
Driver's license

Race Gear

Helmet/Balaclava
Race collar
Race suit
Driving gloves
Driving shoes
Car Numbers

Other Items

Umbrella/poncho
Camp Chair
Sunscreen
Tarp
Toiletries (shampoo, toothbrush, etc.)
Alarm clock
Cooler (water, soda, light snacks)
Camera with fresh batteries
Cell phone

Camping Gear (if you plan to camp at the track)

Tent
Air mattress
Sleeping bag
Blankets
Pillow

Tools

Floor jack
Jack stands
Tool kit
Torque wrench
Lug socket/extension/keys
Tire pressure guage
Brake bleed bottle
Pyrometer (tires/brakes)
Blue tape
Duct tape
Shop towels/Paper towels
Rubber gloves
Towels

Fluids/Spare parts

Motor oil
Steering fluid
Brake fluid
Brake pads
Coolant
Water