The Diamond Racing Products BBC Dished Piston Set, part number 12438-8, is engineered for high-performance street and strip applications in big block Chevy engines. This forged piston set features a 24/26 degree design with a dished top, providing optimal combustion chamber clearance and efficient fuel combustion for enhanced horsepower and torque. The pistons are designed with a 4.600-inch bore diameter, making them suitable for performance rebuilds and custom engine builds. The compression height measures approximately 1.270 inches, ensuring compatibility with various engine configurations. The ring grooves are precisely machined with dimensions of 1/16, 1/16, and 3/16 inches, supporting high-pressure sealing and durability under demanding conditions. With a negative displacement of 26.00 cc, these pistons are ideal for achieving specific compression ratios to maximize power output. Crafted from forged materials, they offer superior strength and resistance to fatigue, making them suitable for high RPM operation and aggressive driving styles. This piston set does not restrict airflow and is suitable for use in non-truck applications, providing versatility for performance enthusiasts. The kit includes all necessary components for installation, ensuring a straightforward upgrade or rebuild process. Whether you're building a street machine or a strip-ready powerhouse, these pistons deliver reliable performance and durability for your big block Chevy engine.
Features:
- Forged construction for strength and durability
- Dished top design for optimized combustion chamber clearance
- Compatible with 24/26 degree street/strip applications
- 4.600-inch bore diameter for high-performance builds
- Compression height of approximately 1.270 inches for versatile engine configurations
- Ring grooves: 1/16, 1/16, and 3/16 inches for high-pressure sealing
- Minus 26.00 cc displacement for precise compression ratio control
- Suitable for non-truck applications and street/strip use
