http://monstermayhemsweeps.com/

Description:
Enter Monster Energy's Monster Mayhem Sweepstakes and you could win a Monster Kawasaki motorcycle worth $3,000 or one of ten first prizes of NASCAR replica cars.

Eligibility:
USA, 18+

Start Date:
October 01, 2012

End Date:
October 31, 2012 at 11:59 p.m. ET

Entry Frequency:
One time per person.

Sweepstakes Prizes:
Grand Prize: A Monster Kawasaki KLX 140 motorcycle. (ARV: $3,000)

1st Prizes (10): A replica of a #54 NASCAR car. (ARV: $65 - 85)

Additional Comments:
You can enter through Facebook or through Twitter.