Wiseco K0480X2 LSX Max Dome Stroker Forged Piston Kit 3.800 Bore 4.000 Stroke

The Wiseco K0480X2 is a Professional Series Max Dome forged piston kit designed for Chevrolet LSX stroker builds using a 3.800" bore and 4.000" stroke. Engineered for NA, boost, and nitrous applications, this shelf-stock kit delivers custom-level performance and durability right out of the box.

Forged from 2618 high-strength aluminum alloy and machined at Wiseco's Mentor, Ohio facility, these pistons are built to handle the demands of serious high-performance and race engine builds. The Max Dome crown design maximizes compression ratio potential to support aggressive stroker configurations.

Key Specifications:

• Bore: 3.800 in.
• Compression Height: 1.110 in.
• Stroke: 4.000 in.
• Rod Length: 6.125 in.
• Dome Volume: +8.8cc
• Pin Diameter: 0.927 in. (Part #S691, 0.927" x 2.250") — designed for use with aftermarket connecting rods
• 0 Deck Height: 9.235 in. | Std. Deck Height: 9.240 in.
• Ring Grooves: .043" / .043" / 3.0mm (rings sold separately — use ringset 3800GNX)
• Taper Wall: .170" AS

Key Features:

• ArmorGlide® Skirt Coating — reduces friction, improves wear resistance, and allows tighter piston-to-wall fitment
• 2618 High-Strength Alloy — superior tensile strength for boosted and nitrous applications
• Pressure Seal Grooves — improves ring seal integrity under high-load conditions
• Fully Machined Crown Features — precision dome geometry for consistent combustion
• Precision Ring Grooves — tight tolerances for optimal ring seal and longevity
• Compatible with cathedral port (LS1, LS2, LS3, LS6, L92) cylinder heads

The Wiseco K0480X2 is part of the Max Dome Stroker series, purpose-built for LS platform engine builds targeting maximum displacement and compression. Wiseco pin part number S691 is included. Ringset 3800GNX (sold separately) is recommended.