• Heads Up Racing on a Pro Tree
• No limitations, Safety rules only
• Class sponsored by VP Racing Fuels – The Official Fuel of Doorslammers!

• Heads Up Racing on a Pro Tree
• MOT and taxed cars only
• Chassis mods allowed
• No Wheelie bars
• Subject to MOT checks and tech inspections with tech cards
• Class sponsored by Lucas Oil

Turbo Technics True Street
Entry Fee £250 – Prize Pot £10k, Winner £5k

• Heads Up Racing on a Pro Tree
• MOT and taxed cars only
• No Wheelie bars
• No chassis mods allowed (Must retain original floor pan, firewall and chassis)
• Subject to MOT checks and tech inspections with tech cards
• DOT approved tyres only
• Class sponsored by Turbo Technics

Spal Front Wheel Drive
Entry Fee £200 – Prize Pot £5k, Winner £2,500

• Heads Up Racing on a Pro Tree
• Front Wheel Drive cars only
• Class sponsored by Spal Automotive

Webster Race Engineering 4 Cylinder
Entry Fee £200 – Prize Pot £5k, Winner £2,500

• Heads Up Racing on a Pro Tree
• Up to Four cylinder
• Rotary cars NOT permitted
• Electric cars permitted
• Class sponsored by Webster Race Engineering

EBC Brakes 6 Cylinder
Entry Fee £200 – Prize Pot £5k, Winner £2,500

• Heads Up Racing on a Pro Tree
• Five & Six cylinder
• Rotary cars permitted
• Electric cars NOT permitted
• Class sponsored by EBC Brakes

Big Bracket x 2
Entry Fee £200 – Prize Pot £10k Per Day, Winners £5k

• Each bracket race will take place over a single day
• 6.99 to 11.99 dial in only
• One Practice run and NO qualifying
• Random pairings
• Ladders produced for the last 8 cars
• All electronics allowed
• Random first bulb Sportsman Tree
• First round “buy back” £50 (payment must be made at Sign-on before buy back race)
• Buy back racers vs buy back racer before entering second round eliminations
• The Big Bracket class will be scheduled/time tabled runs only over both days
• All run field
• Class sponsored by OCS Group

General Rules

• A full valid recognised road driving licence or MSA/FIA licence is required to sign-on.
• A declaration form must be signed by the driver before running on the track.
• The Race Director/Promoter retains the right to refuse track access to any vehicle they deem to be unsuitable, entry will not be refunded.
• All cars in all classes MUST USE drag race style tyres. (please email to check tyre eligibility if unsure)
• Open Qualifying; Unlimited qualifying runs available for all heads-up classes on Saturday. Run at any time. No mixed class qualifying, all heads up cars must run as a pair from the same class or solo.
• Qualified cars in each heads-up class will advance to Sundays’ eliminations. All pairings and lanes will be drawn at random for each elimination round.
• All normal MSA/FIA general racing rules will apply such as blue line (excludes Pro Doorslammer), first or worst, red lights, boundary infringements and staging rules etc.
• 30 seconds starting rule from staging lanes applies. The Starters decision is final.
• The race director’s decision is final and cannot be appealed.
• All prize fund pay-outs are subject to a minimum 16 car fields or on a downward sliding scale thereafter. Please see prize fund chart for details.
• The Big Bracket must have a minimum entry field of 25 cars per day to activate the 10k prize fund structure.
• In heads up classes 3 to 4 qualifiers will compete in 4 car eliminations, 5 to 12 in 8 car eliminations, 13 + cars in 16 car eliminations, 32 car eliminations will be run at the promoters discretion.
• The big bracket class is an all run field.

Car Rules

• The Doorslammers event is reserved for full bodied left or right-hand drive cars.
• Seat belts are mandatory.
• Arm restraints are mandatory for all open top and windowless vehicles.
• A safety helmet that is fit for purpose is compulsory for ALL competitors.
• The driver must declare that their vehicle is safe and complies with the necessary rules and regulations.
•  All vehicles taking part must be fit for purpose.
• Roll cages are strongly recommended for all vehicles running quicker than 12 seconds over a quarter mile.
• An SFI spec neck brace is recommended for ALL competitors using a helmet and compulsory for anyone travelling 130mph and faster.
• It is recommended that there is a secondary braking system for all vehicles travelling faster than 150mph, this can be a parachute or mechanical braking system in addition to a hydraulic system.
• A 5-point harness is strongly advised for vehicles capable of 145mph+.
• A HANS device is strongly advised for vehicles travelling 170mph and faster.
• It is highly recommended that all fuel systems and tanks are separated from the driver. There should be at least a bulkhead between the driver and the fuel lines and tank.
• Please note that if you and your vehicle have taken part in MSA/FIA competition, the safety rules and equipment required at the Doorslammers is the same as any MSA/FIA race event.
• All cars must have slammable doors!
• No Jets.