Sierra 18-5296-2 Electronic Conversion Kit - Mallory V8 DistributorsFits most Mallory YL or YD 8 cylinder distributors with clockwise or counter clockwise rotation. Used on some Mercruiser Marine and OMC engines. Replaces points & condensers for true solid state ignition; Uses standard coil, cap & rotor; Easy to install, one-piece, 2-wire hook-up; Accurate to within 1/4 timing accuracy 0 to 6000 RPM range; Use with: 18-5466 Hi-Performance Ignition CoilReplaces: Mallory; 9-26904; GLM; 72520;