New SAE J1171 Certification Starter For Mercruiser I/O 4.3 5.0 5.7 8.1 Carb EFI Meets J1171 Standard SAE ( External Ignition Protection of Marine Electrical Devices ) Please Verify Fitment Prior To Order: All Returns For Non-Fitment Subject to a Restocking Fee of 20% All Items Tested for Reliability, Durability and Performance One Year Hassle Free Guarantee ** See Product Description for Fitment Chart **