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 +18cc 2V, .030 Oversized, w/ Rings, Each

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KB Piston, 4 in. Bore, For Chevrolet 383 Rod 5.700, D-Cup +1+2cc 2V, .020 Oversized, w/ Rings, Each

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KB Piston, 4 in. Bore, For Chevrolet 383 Rod 6.000 D-Cup +19cc 2V, .020 Oversized, w/ Rings, Each

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KB Piston, 4 in. Bore, For Chevrolet 350 Rod-5.700 D-Cup +1+2cc 2V, .030 Oversized, w/ Rings, Each

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KB Piston, 4 in. Bore, For Chevrolet 383 Rod 6.000 D-Cup +19cc 2V, .020 Oversized, w/ Rings, Each

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KB Piston, 3.736 in. Bore, For Chevrolet 334 Rod 5.700, D-Cup +10cc 2V, .STD Oversized, w/ Rings, Each

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