Cars and bikes are judged in six categories, and three trophies are awarded in each from 10 a.m. to 6 p.m., Saturday, April 23. One first-place winner is named best in show, and awarded $500 cash and the Bookmans Cup. $5 admission; $40 car or bike registration. Admission includes access to a show-and-shine area for cars not entered to compete. Food vendors, low-rider hopping, a stereo sound-off and a children's area also are included, as well as a piston toss to benefit Operation Homefront and a car-beating opportunity to benefit Susan G. Komen for the Cure. Call 209-1860, or visitmegacarshow.com/register.html to register or for more information.