The Holley renew kit is p/n 37-1536. The Holley Trick kit is p/n 37-933. There's also a Holley 'Fast Kit'. Rebuild kits are also available from other manufacturers besides Holley.Hi. I am looking for info (rebuild kit) for Holley 6r1919b on horn and base plate. Also 7448-1 and 1141 below it on right throat of carb. What model 2 barrel is it? Any info would be appreciated. Thanks