CP Piston for Chevy LS7- Bore (4.135) - Compression Height (1.055) - Stroke (4.125) - Set of 8

If you're rebuilding the heart of a high-performance Chevy LS7 engine, getting the right pistons is critical for power and reliability. This set of eight forged pistons from CP Pistons is built to handle the demands of a stroker setup, specifically designed for the LS7's 4.125-inch stroke with a 4.135-inch bore. They feature a 1.055-inch compression height, which is key for achieving the correct deck clearance and compression ratio with your chosen crankshaft and connecting rods.

CP Pistons are well-known in racing circles for their robust construction. These aren't cast pistons; they're forged from high-strength aluminum alloy, making them significantly stronger and more durable than stock. This strength is essential for withstanding the extreme pressures and temperatures generated in a performance LS7 engine, especially when you're pushing the limits with a stroker combination. The precise machining ensures each piston fits perfectly within its cylinder, contributing to efficient combustion and optimal power output. This set is designed to be a direct replacement for the factory pistons, simplifying the installation process for your engine build.

When building a performance engine like this, it's important to ensure all components work together. This piston set is intended for use with a 4.125-inch stroke crankshaft and will require appropriate connecting rods to achieve the specified compression height. Always refer to the manufacturer's detailed installation instructions and consult with your engine builder to confirm compatibility with all other internal engine components to achieve your desired compression ratio and performance goals.