Help to reduce oil carryover during high rpm operation higher volume helps reduce engine and oil temperatures53mm diameter rotors for maximum performanceGain of 20% oil pressure, 125% pressure volume and 135% scavenge volume over OEM stock TC88 oil pumpsGain of 16% oil pressure, 66% pressure volume and 100% scavenge volume over OEM stock TC96 oil pumpsHigh-quality die-cast aluminum body construction, high-strength steel gear constructionFit both stock and aftermarket cam support plates for seamless installationDoes not fit for Screaming Eagle cam plate.