Wiseco K0443X05 Professional Series Chevy LT1 Gen V Piston Set -20cc Dish 4.125 in. Bore 1.105 in. CH

The Wiseco K0443X05 is a Professional Series forged piston set engineered specifically for the Chevrolet LT1 Gen V engine platform.

Key Features:

• 4.125 in. Bore with a -20cc dish crown for reduced compression ratio — ideal for forced induction and power adder applications
• 1.105 in. Compression Height for precise deck clearance tuning
• 0.927 in. Pin Diameter for a robust wrist pin fit
• Forged from 2618 aluminum for superior tensile strength under heavy and severe duty race conditions
• ArmorGlide® Skirt Coating provides seizure resistance, friction reduction, and quieter engine operation
• Crown designed specifically for GM Gen V direct injection fuel delivery, accommodating precise fuel spray patterns
• Fully machined crown features and precision ring grooves for optimal ring seal
• Engineered, forged, and machined entirely in the USA at Wiseco's Mentor, Ohio facility
• Includes premium rings — designed and built for heavy to severe duty race builds

Wiseco's Professional Series represents a no-expense-spared approach to piston design, packed with custom-level performance and durability features suitable for naturally aspirated, turbocharged, and supercharged LT1 Gen V builds alike.