1957-1965 Chevy & Corvette Fuel Injection Main Control Linkage and Cranking Signal Valves. A greatly improved re-production of 2 critical components in Rochester fuel units. Lifetime guarantee at a price of $185/Link; $85/Valve with core return; $40 Ratio Lever: Brian Seibert and Frank Antonicelli, Harrisburg, PA. 717-742-7855 or 717-215-4740