There are 12 attractions at Disney California Adventure with height requirements:

Height Requirements at Disney California Adventure
Attraction Height Requirement
Luigi's Flying Tires 32"
Mater's Junkyard Jamboree 32"
Tuck and Roll's Drive 'Em Buggies 36"
Jumpin' Jellyfish 40"
Soarin' Over California 40"
The Twilight Zone Tower of Terror 40"
Silly Symphony Swings - Tandem 40"
Radiator Springs Racers 40"
Goofy's Sky School 42"
Grizzly River Run 42"
Silly Symphony Swings - Single 48"
California Screamin' 48"

Height Requirements at Other Parks