Powermaster 9610 Mastertorque starter. Fits Oldsmobile 455 403 307 350 engines. Weights in at only 10.5 pounds. Rated at 1.4KW. Provides 180 ft/lbs of torque. 4.4:1 gear reduction. Not heat soak problems. Machined billet aluminum adapter block. Features the Powermaster adjustable InfiClock indexing system for easy installation. Recommended for up to 12:1 compression engines. An excellent choice for mild race or high performance street applications or where heat soak is a main concern. Picture shows a typical Powermaster Mastertorque starter but is not application specific. Powermaster 9610 Powermaster Mastertorque starter Oldsmobile 455 403 350 starter 9610 Check out our high performance Oldsmobile starters! We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.