Carrillo BBC5109-030 Big Block Chevy Forged Piston Set +0.030" Overbore

The Carrillo BBC5109-030 is a forged high-performance piston set engineered for Big Block Chevrolet engines at a +0.030" overbore. Designed and manufactured in the USA by CP-Carrillo, these pistons are built to exacting tolerances from premium forged aluminum to deliver superior strength, thermal stability, and reliability in high-output racing and performance street applications.

CP-Carrillo's pistons are manufactured from precision forgings, enabling proper grain flow and guaranteed removal of surface inclusions — the same quality standards used across their entire performance piston and connecting rod lineup trusted by professional racers worldwide.

Key Features:

• Forged aluminum construction for superior strength-to-weight ratio
• Designed specifically for Big Block Chevrolet engine applications
• +0.030" overbore sizing for use with standard BBC bore rebuild specs
• Precision-machined to tight tolerances for consistent ring seal and minimal blowby
• Compatible with full-floating or press-fit wrist pin arrangements (confirm with builder)
• Manufactured in the USA from US-sourced materials
• Engineered for high-performance, high-RPM, and forced induction use cases

CP-Carrillo pistons are a trusted choice among professional and amateur engine builders seeking proven durability and performance. Always consult your engine builder to confirm bore clearance, ring gap, and compression ratio requirements for your specific application.