Wiseco K0418X2 Chevy LS 3.900 Stroker Forged Piston Kit 4.020 Bore .927 Pin

The Wiseco K0418X2 is a Professional Series forged piston kit engineered specifically for GM LS stroker builds using a 3.900 in. stroke.

Key Features:

• 4.020 in. Bore Size — precision-sized for stroker clearance requirements
• 3.900 in. Stroke Optimized — rod angle geometry tuned for reduced bore distortion, crank and rod stress, and consistent ring seal
• -17cc Dish Crown — supports target compression ratios in stroker configurations
• 0.927 in. Wrist Pin — heavy-duty H13 tool steel pin for strength in boosted and high-RPM applications
• 1.165 in. Compression Height — compatible with popular LS stroker rod and crank combinations
• 6.125 in. Rod Length Compatible
• 2618 High-Strength Forged Alloy — superior heat and stress resistance compared to 4032 alloy, ideal for power-adder applications
• ArmorGlide Skirt Coating — reduces friction, resists seizure, and promotes quieter operation
• Precision Ring Grooves — includes 1.2mm / 1.2mm / 3.0mm GFX ring pack
• Fully Machined Crown Features — valve pockets and crown geometry CNC-machined for accuracy
• Engineered, forged, and machined in the USA at Wiseco's Mentor, Ohio facility

Wiseco Professional Series pistons are designed for serious engine builders who demand custom-level quality and durability in heavy-duty performance and race applications. Built for both naturally aspirated and forced-induction LS stroker builds, the K0418X2 delivers the precision and strength needed to maximize power output and engine longevity.