40/44 IDF, 40/45 DCOE. a great jet kit to PROPERLY TUNE IN YOUR DUAL IDF OR DUAL DCOE WEBER CARBS! 1 x 737-240 Weber Redline Jet Kit to fit dual 40/44/48 IDF and 40/45 DCOE Weber Carbs. Dual Weber 40/44/45 IDF and 40/45 DCOE carbs with 28-32 venturis on 2000cc and larger engines.
