1 SET KB151.STD/1 SET 4000AM8.

Enhance your Ford or Mercury engine's performance with the KB Performance Hyper Piston and Ring Kit, designed for durability and efficiency. This set of eight hypereutectic aluminum pistons features a flat top design with two valve reliefs, ensuring optimal combustion and power delivery.

• Constructed from hypereutectic aluminum, providing strength and reduced thermal expansion.
• Flat top design maximizes compression, improving engine efficiency and power output.
• Includes high-quality stainless steel oil rings, ensuring effective oil control and longevity.
• Precision-engineered with a 4.000 in. bore size, perfect for enhancing your engine's performance.
• Wrist pins are included for easy installation, making this kit a convenient choice for your rebuild.

Designed specifically for Ford and Mercury models from 1986 to 1997, this kit is built to meet the demands of performance enthusiasts. Upgrade your engine today with KB's trusted quality.