Wiseco K0146A7 Chrysler Small Block Reverse Dome Forged Piston - 318/340/360 20cc Set

The Wiseco K0146A7 is a Professional Series forged piston set engineered for Chrysler small block 318, 340, and 360 engines running a 4.000 in. stroker configuration.

Key Specifications:

• Bore: 4.070 in.
• Compression Height: 1.460 in.
• Pin Diameter: 0.984 in.
• Crown Volume: -20cc Reverse Dome
• Stroke: 4.000 in. (stroker application)
• Rod Length: 6.123 in.
• Note: Rings sold separately (Build on Demand)

Professional Series Features:

• 2618 High-Strength Aluminum Alloy — forged for superior tensile strength and durability under extreme heat and pressure
• ArmorGlide® Skirt Coating — reduces friction, resists seizure, and provides quieter operation
• Precision Ring Grooves — machined to tight tolerances for optimal ring seal and longevity
• Fully Machined Crown Features — anti-detonation and pressure seal grooves for improved combustion control
• Engineered, forged, and machined in the USA at Wiseco's Mentor, Ohio facility

Wiseco's Professional Series pistons are designed for heavy to severe-duty race builds where no compromise is acceptable. The -20cc reverse dome profile allows builders to fine-tune compression ratios to match specific head, gasket, and deck height combinations in Mopar small block applications. This is a Build on Demand item — confirm availability and lead time prior to ordering.