Engine Tech Combustion Control 005
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4 Here’s a shot to help you visualize how a performance ring package can free up horsepower. On top is the 0.047 inch GFX top ring, while underneath it is the 5⁄64-inch top ring for a stock Chevrolet 350. At 0.078-inch thick, the stock ring is nearly twice as thick as the GFX ring. View Related Article
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