Speedmaster Chevy SBC 383 ci Flat Top Hyper Pistons Coated PCE305.1005.04

The Speedmaster Chevy SBC 383 ci flat top hyper pistons (PCE305.1005.04) are precision-engineered components designed for small-block Chevy 383 cubic-inch engine builds. These pistons feature a flat-top crown design and come with a protective coating to enhance durability and performance. Measuring 6.0" in overall length with a 4.040" bore diameter, 1.100" pin diameter, and 0.927" compression height, they are engineered to meet the exacting specifications required for high-performance and racing applications.

These hyper pistons are ideal for engine builders and performance enthusiasts constructing or rebuilding 383 ci small-block Chevy engines. The flat-top geometry provides efficient combustion characteristics, while the protective coating helps resist wear and corrosion. Compatible with standard SBC 383 engine configurations, they support both street and competition applications. The coated finish ensures long-term reliability in demanding operating conditions.

Key Features & Benefits

• Flat-Top Crown Design: Optimized geometry for efficient combustion and performance in 383 ci small-block applications.
• Protective Coating: Durable coating applied to enhance wear resistance and corrosion protection.
• Precision Specifications: 6.0" length, 4.040" bore, 1.100" pin diameter, and 0.927" compression height for exact fitment.
• Hyper Piston Technology: Engineered for high-performance and racing engine builds requiring superior reliability.
• SBC 383 Compatibility: Designed specifically for Chevy small-block 383 cubic-inch engine platforms.

Specifications

Ideal Applications

• 383 ci small-block Chevy engine rebuilds and performance builds
• High-performance street and racing engine applications
• Engine restorations requiring OEM-spec 383 ci components
• Custom engine assembly for competition and track use