I HAVE PURCHASED AND INSTALLED SEVERAL OF THESE USA INDUSTRIES 3510 STARTERS ON PERFORMANCE CARS AND THEY WERE EXCELLENT QUALITY AND ALWAYS WORKED.I EVEN USE ONE ON MY ALCOHOL INJECTED RACE CAR WITH 14:1 COMPRESSION SO I'M SURE THEY WILL BE MORE THAN SATISFACTORY FOR NORMAL USE. I RECOMMEND THIS BRAND TO ALL MY FRIENDS BECAUSE OF THE QUALITY.