Wiseco Chevy Big Block Piston Set – 4.500-4.625 in. Bore – 1.270 .in CH, 48.70 CC

Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco’s Professional Series.

• Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
• ArmorGlide® Skirt Coating: seizure resistant, friction reduction, and quieter operation
• Fully machined crown features
• Precision ring grooves, anti-detonation groove, and additional ring seal improving features
• Forced pin oiling
• Designed and built to withstand heavy to severe duty performance applications
• .180" wall tool steel wrist pins
• .043", .043", 3mm Rings Sold Separately
• Vertical Gas Ports