CP-Carrillo BF9831-020-8 Ford 4.6L 4V Power Adder Forged Piston Set +.020

Featuring a +0.020" overbore diameter of 3.572", these pistons are built to handle the extreme demands of nitrous oxide, supercharged, and turbocharged builds.

Manufactured in the USA from 2618 aluminum alloy forgings, the BF9831-020-8 delivers the strength and thermal resilience required for high-output forced induction and power adder use. Each piston features a -9cc dish configuration for optimized combustion chamber efficiency in power adder setups.

Key Specifications:

• Bore: 3.572" (+0.020" oversize)
• Stroke: 3.543"
• Rod Length: 5.933"
• Compression Height: 1.220"
• Dish Volume: -9cc
• Advertised Piston Weight: 369 grams
• Pin Size: .866" x 2.500"
• Ring Pack: 1.5mm steel gas nitride top ring, 1.5mm Napier second ring, 3.0mm oil ring

Key Features:

• USA-made 2618 forged aluminum construction for superior strength
• Suitable for nitrous oxide, supercharger, and turbocharger applications
• Special skirt design engineered for low piston noise
• Accumulator grooves and forced pin oilers for enhanced lubrication
• 1.5mm steel gas nitride top rings for heat and wear resistance
• 1.5mm Napier second ring for improved oil control
• Includes pistons and ring sets for all 8 cylinders

The CP-Carrillo BF9831-020-8 piston set is a direct choice for Ford 4.6L 4V Modular engine builders seeking proven forged performance in power adder street and race applications.