Wiseco RED0021X6 Forged Piston Set Chevrolet Dish Bore - 400 21cc 4.185

The Wiseco RED0021X6 is a forged piston set designed for the classic Chevrolet 400 small block engine platform. Featuring a -21cc dish combustion chamber design, these pistons are engineered to deliver reliable compression ratios suitable for street and performance applications.

Key Specifications:

• Application: Chevrolet 400 Small Block
• Bore Diameter: 4.185 inches
• Dish Volume: -21cc (dished top)
• Pin Height: 1.425 inches (compression height)
• Construction: Forged aluminum alloy

Key Features:

• Forged construction provides superior strength and durability over cast pistons
• Precision-machined to exacting tolerances for optimal fit and ring seal
• Dished crown design helps tune compression ratio for use with higher-compression cylinder heads
• Part of Wiseco's performance piston lineup, trusted by engine builders for decades
• Designed for use with standard small block Chevy ring sets and wrist pins

Wiseco has been a leading manufacturer of forged pistons for automotive, motorcycle, and powersports applications since 1941. The RED0021X6 is an ideal choice for engine builders rebuilding or building up a Chevrolet 400 small block for street performance or mild racing use.