Carrillo BO7020-030 Forged Piston Set for Oldsmobile - 455

The Carrillo BO7020-030 is a high-performance forged piston set engineered specifically for Oldsmobile 455 cubic inch V8 engines. These precision-machined pistons feature a dish design with -12cc volume, optimized for controlled compression ratios in performance and racing applications.

Key Specifications:

• Dish volume: -12cc for compression management
• Bore size: 4.155 inches
• Stroke compatibility: 4.250 inches
• Connecting rod length: 6.735 inches
• Pin angle: 6 degrees (All 6 Deg Olds configuration)
• Constructed from premium forged aluminum alloy

Carrillo pistons are manufactured to exacting tolerances using aerospace-grade materials and advanced forging processes. The dish design allows engine builders to fine-tune compression ratios while maintaining optimal combustion chamber geometry. These pistons are ideal for street performance, drag racing, and high-output Oldsmobile 455 builds where reliability and power are essential.

Compatible with Oldsmobile 455 blocks and designed to work with the specified 6.735-inch connecting rods and 4.250-inch stroke crankshafts. Professional installation and proper engine balancing are recommended.