CVR Starters SBC Protorque Starter Bert/Brinn Trans - 5300 Unique Aluminum Housing helps to eliminate hot start problems Sealed with Rubber O-Rings and Grommets Easily Replaceable Plunger and Contacts Adjustable for Header & Oil Pan clearance 5 adjustment positions Type of Unit: Nippondenso Gear Reduction Estimated Horsepower: 1.9 HP Reduction Ratio: 4:1 Weight: 10 Lbs. Pinion Gear: 11 tooth, 9 tooth