Carrillo SC7451-4 Forged Piston Set 87.5mm Bore Toyota 5SFE/3SGTE

The Carrillo SC7451-4 is a high-performance forged aluminum piston set designed for Toyota applications using a 5SFE block with 3SGTE head configuration. This 4-cylinder piston kit is engineered for forced induction and nitrous applications, featuring precision machining and race-proven CP-Carrillo quality.

Key Specifications:

• Bore: 3.445 inches (87.50mm) - 0.5mm oversize
• Compression height: 1.275 inches (32.4mm)
• Stroke: 90.93mm (3.58 inches)
• Rod length: 138mm (5.433 inches)
• Compression ratio: 8.5:1
• Dish volume: 15.2cc for controlled compression
• Weight: 331 grams per piston
• Pin diameter: 22mm

Ring Package:

• Top ring: 1.5mm
• Second ring: 1.5mm
• Oil ring: 2.8mm
• Uses RS1116-3445 ring set

Applications:

• Turbo and supercharged builds
• Nitrous oxide systems
• 5SFE block with 3SGTE head swap configurations

Each piston is CNC-machined from high-strength forged aluminum for maximum durability under extreme cylinder pressures. The dish design with four valve reliefs ensures proper valve clearance while maintaining optimal combustion chamber geometry. This complete set includes pistons, rings, wrist pins, and hardware ready for installation.