Wiseco RED0089X125 RED Series Chevy Big Block Forged Piston Set 4.125 in. Bore 38cc Dome

The Wiseco RED0089X125 is a RED Series forged piston set designed for Chevrolet Big Block 396/427 engines.

Race Engineered Design (RED™) Series:

• Forged 2618 aluminum construction — engineered, forged, and machined in the USA for the tensile strength demanded by racing and forced induction builds
• Dedicated forgings with an optimized, engine-specific strutted design to maximize strength-to-weight characteristics
• ArmorGlide® skirt coating reduces operating friction and noise while minimizing skirt and cylinder wear
• Horizontal slot oiling in pin bores maintains optimal wrist pin and small-end lubrication for long service life
• Accumulator groove helps maintain consistent ring seal and power output
• Premium rings included — no additional sourcing required

Specifications:

• Bore: 4.125 in.
• Compression Height: 1.395 in.
• Pin Diameter: 0.990 in.
• Dome Volume: 38cc
• Series: RED™ (Race Engineered Design)
• Material: 2618 high-strength aluminum alloy

The Wiseco RED Series is engineered for popular domestic V8 platforms and is the go-to choice for builders competing in drag racing, circle track, and other high-demand motorsport disciplines. Part number RED0089X125.