Speedmaster Chevy SBC 383 ci 5.7" Flat Top Hyper Pistons [Coated] - PCE305.1001.04

The Speedmaster Chevy SBC 383 ci Flat Top Hyper Pistons are precision-engineered high-performance pistons designed for small-block Chevy engine builds. These PCE305.1001.04 pistons feature a durable protective coating to resist wear and corrosion, and are sized specifically for 383 cubic inch displacement applications with a bore diameter of 4.040" and compression height of 5.7". The flat-top design optimizes combustion chamber efficiency and is a proven choice for street and performance engines.

These hyper pistons deliver reliable ring seal and heat dissipation in demanding engine conditions. The coated finish extends piston life and maintains performance under high-temperature operation. With a pin diameter of 0.927" and ring land dimensions of 1.425", these pistons are engineered to precise OEM specifications and are ideal for engine rebuilds, upgrades, and high-output small-block Chevy applications. Whether you're building a street machine, performance cruiser, or racing engine, these Speedmaster pistons provide the durability and precision needed for long-term reliability.

Key Features & Benefits

• Chevy SBC 383 ci Specific: Engineered and sized specifically for Chevy small-block 383 cubic inch engine displacement applications.
• Flat Top Design: Flat-top crown optimizes combustion chamber efficiency and is proven for performance and street applications.
• Protective Coated Finish: Durable protective coating resists wear, corrosion, and extends piston life in high-temperature conditions.
• Precision Ring Lands: 1.425" ring land dimension with 0.927" pin diameter ensures tight ring seal and reliable performance.
• 4.040" Bore Size: Precision-machined 4.040" bore diameter with 5.7" compression height for exact fitment in 383 ci engines.

Specifications

Ideal Applications

• Chevy SBC 383 ci engine rebuilds and restoration projects
• Small-block Chevy street and performance engine upgrades
• High-output engine builds requiring precision pistons
• Racing and competition engine applications