1:16 power to weight
Any engine modification is allowed provided the car meets the class power to weight ratio rule
Wheel diameter is free
Composite hoods
Lights may be removed to duct air
Rear wing may be added
Upgraded front brake calipers and rotors
Lower suspsension ties allowed
No spherical bearings (???)
Motor mounts may be nonOEM
Flywheel can be lightened (I think)
Short shifters permitted
Trans gear surface treatments permitted
Stock final drive (???)
Vehicle wiring may be added, removed, re-routed, or in any way modified
Any battery may be fitted, and its location may be moved relative to stock
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