Product Description Increases octane effect up to 5 points Restores lost horsepower Stops engine knocks & pings Cleans fuel injectors & carburetors Safe for oxygen sensors & catalytic converters STA-BIL 104+ Octane Boost 10406 at OMCgear Browse all OMCgear deals $6.99 In Stock at OMCgear Price verified 3d ago Buy Now at OMCgear Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Sta-Bil Sta-Bil