NHRA
1.10 OIL SYSTEM
Accu-sump, dry-sump tanks, oil filters, oil supply lines, etc., prohibited in driver compartment and outside of frame and/or steel body / fenders. Oil pressure gauge and line permitted in driver compartment. Metal or steel braided line mandatory, maximum 3/16-inch (4.76 mm) inside diameter. Power enhancing additives prohibited.
IHRA
These are basic guidelines. All vehicles must be capable of meeting the appropriate IHRA safety requirements for their performance level. For further information please refer to the IHRA rulebook.
1. All vehicles must have functioning seatbelts in good condition.
2. All vehicles must have a Radiator overflow can.
3. No plastic or glass fuel filters allowed.
4. 12” total rubber fuel line allowed.
5. No plastic oil lines allowed.
6. All automatic vehicles must have a working neutral safety switch.
7. All batteries must be securely mounted. For relocated batteries - see the 2008 IHRA
rulebook, General Regulations page 110.
8. All tires must be in good condition with all lug nuts in place. Remove hubcaps and
beauty rings from wheels.
9. Trunk and passenger compartment must be empty prior to racing.
10. Drivers must wear at least: full length pants, shoes, a sleeved shirt. (No shorts,
sandals, or tank tops).
11. All participants must have an approved helmet.
12. Drive shaft loop mandatory on all cars running 13.99 or quicker that are running slicks. Also required on all cars running 11.49 or quicker on street tires
13. Cars running faster than 11.49 must have an approved roll bar, SFI Legal belts and
jacket.
14. Cars running faster than 10.99 must have approved aftermarket axles and balancer.
15. Cars running faster than 9.99 must have an approved roll cage and Competition License.