looking to get nagisa ssuper lows but wondering if it's worth it to get the double lock or or regular. Cost difference is about 75 each but I'm not sure. if it's worth it. any help woul dbe appreaciated. Called a few places and MoreJapan which I've ordered from before can have it at my door in a few days.
Nagisa Auto S13 S14 S15 240SX Super Low Seat Rail