Carrillo SC7427-4 Forged Piston and Ring Set for Subaru 100mm Bore

The Carrillo SC7427-4 is a high-performance forged aluminum piston and ring set designed for Subaru applications requiring precise 100mm (3.937 inch) bore sizing. This complete set includes four pistons with rings, wrist pins, and retainers for a comprehensive rebuild solution.

Key Specifications:

• Bore: 100.000mm (3.937 inches)
• Stroke: 79.00mm
• Rod Length: 130.500mm
• Compression Height: 1.208 inches
• Piston Head Volume: +14.90cc
• Piston Style: Dish design with two valve reliefs
• Material: Forged aluminum construction
• Wrist Pin: Press-fit or floating style

• Piston rings for all four cylinders
• Wrist pins
• Wrist pin retainers

Important Note: No locks supplied with this kit. Factory locks must be used for installation.

CP-Carrillo pistons are engineered using sophisticated computer modeling and manufactured with state-of-the-art 5-axis machining equipment in climate-controlled facilities. Each piston undergoes rigorous quality inspection to ensure it meets the exacting standards required for high-performance engine builds.