Carrillo SC70456-1 Forged Piston Set Honda K20A 86.5mm 9.5:1 Compression

The Carrillo SC70456-1 is a complete forged piston set engineered for Honda K20A, K20A2, and K20A3 engines. This high-performance piston kit features an 86.5mm bore size (0.5mm oversized) and delivers a 9.5:1 compression ratio, making it ideal for turbocharged, supercharged, and naturally aspirated performance applications.

Key Features:

• 86.5mm (3.406 inch) bore diameter with 1.181 inch compression height
• 9.5:1 compression ratio optimized for forced induction and naturally aspirated builds
• Complete kit includes hardened steel wrist pins, premium piston rings, and wire locks
• Dual pin oilers provide enhanced lubrication to wrist pins
• Accumulator groove design reduces ring flutter and improves sealing
• Pistons balanced to within 1 gram for smooth engine operation
• Compatible with stock and aftermarket connecting rods
• Made in USA with CP-Carrillo's proven racing heritage

CP-Carrillo pistons are manufactured using dedicated forgings and advanced engineering processes, delivering the durability and precision required for high-performance and racing applications. Each piston features radiused valve reliefs for compatibility with stock and high-lift camshafts, and pin fitting is completed with a final hone on the wrist pin bore for optimal clearances.