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Wiseco Professional Series forged piston set for Chevrolet Big Block engines is a set of eight pistons machined for a 4.280 in bore with 1.270 in compression height and 0.990 in pin diameter. Built for heavy-duty race builds, these forged pistons include precision ring grooves, anti-detonation features, ArmorGlide skirt coating, forced pin oiling, and premium rings for high-stress applications.
Wiseco Chevy BB 396/427/454/502 Dome 25cc x 1.270 CH Piston Kit
