Speed-Pro forged pistons are made from extruded VMS-75 aluminum alloy that's forged under 3,000 tons of pressure to near-net shape. After that, they're machined to their final configuration. These pistons offer excellent strength and durability—and are capable of taking the punishment that's dished out on the street and in competition. They're available for a wide variety of applications, including OE replacements and all-out racing engines.

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KB Piston, 4 in. Bore, For Chevrolet 383, Rod 5.700, D-Cup +28cc 2V, .020 Oversized, w/ Rings, Each

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KB PISTONS Piston and Ring Kit Hypereutectic Dish 4.155 in. Bore For Chevrolet Small Block Kit

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KB Piston, 3.736 in. Bore, For Chevrolet 305, Rod 5.700, D-Cup +1+2cc 2V, .060 Oversized, w/ Rings, Each

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KB Piston, 3.736 in. Bore, For Chevrolet 305, Rod 5.700, D-Cup +1+2cc 2V, .STD Oversized, w/ Rings, Each

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