alcohol 850 double pump with mechanical choke-less intended for 750 horse mustang ..This thing is amazing it has 95 jets in both sides plus each jet chamber is drilled to 100 thou. (no it's not for the 13b,), making a total of 780 thou. it needs two separate lines to feed the bitch you guys talk mileage she is use to get about 6 gals of alcohol mix per quarter mile