1 SET KB320.060/1 SET 4000BM8.

Upgrade your Ford or Mercury engine with the KB Performance Hyper Piston and Ring Kit, designed for durability and performance. This set of 8 pistons is engineered with hypereutectic aluminum, ensuring a lightweight yet strong solution for your rebuild.

• Flat Top Design: Features two valve reliefs for enhanced combustion efficiency and optimal power output.
• Standard Oil Ring Tension: Provides effective oil control, reducing friction and improving engine longevity.
• Precision Engineering: With a bore size of 4.060 in. and a stroke of 3.500 in., these pistons fit perfectly into your setup.
• Complete Kit: Includes wrist pins and spacer rings, making installation straightforward and hassle-free.
• Robust Materials: Constructed with stainless steel and iron components for superior wear resistance.

Designed specifically for 1990-1997 Ford and Mercury small block engines, this piston kit is a reliable choice for performance enthusiasts.

Transform your engine's performance with KB’s trusted quality.