Wiseco K0112X05 Chrysler 6.1L Hemi Forged Piston Kit 4.060 Bore 5.5cc Dome

The Wiseco K0112X05 is a Professional Series forged piston kit designed for the Chrysler 6.1L 3rd Gen Hemi engine. Built to stock deck height specifications, this kit delivers the strength and precision required for naturally aspirated, boosted, and nitrous applications alike — making it an ideal drop-in performance upgrade for serious street and race builds.

Manufactured from 2618 high-strength aluminum alloy and forged and machined in the USA, each piston features Wiseco's proprietary ArmorGlide® skirt coating for reduced friction, improved seizure resistance, and quieter engine operation. Anti-detonation and pressure seal grooves are machined into the ring lands for enhanced sealing under high-stress conditions.

Key Specifications:

• Kit Part Number: K0112X05
• Application: Chrysler 6.1L 3rd Gen Hemi (Drop-In)
• Bore: 4.060 in.
• Compression Height: 1.220 in.
• Stroke: 3.580 in.
• Rod Length: 6.243 in.
• Pin Diameter: 0.984 in. (Pin Part #: S803, 0.984 x 2.250)
• Dome Volume: 5.5cc
• Piston Weight: 464 g (avg.)
• Compression Ratio at 65cc head (09+ 5.7L): 12.1:1
• Compression Ratio at 73cc head (All 6.1L): 11.0:1
• 0 Deck at: 9.253 in. | Std. Deck Height: 9.250 in.
• Skirt Type: Strutted

Included Components:

• Premium GFX Ringset (Part #: 4062GFX) — 1.2mm, 1.2mm, 3.0mm
• Optional XX Ringset available — 1.0mm, 1.2mm, 2.8mm
• Wrist Pin (S803)

Key Features:

• ArmorGlide® Skirt Coating — Seizure resistant, friction reducing, and quieter operation
• 2618 High-Strength Alloy — Superior strength for high-performance and forced induction use
• Anti-Detonation & Pressure Seal Grooves — Engineered for maximum ring seal and durability
• Compatible with NA, Boost, and Nitrous — Versatile for a wide range of build types
• Drop-In Fitment — Designed to work at stock 6.1L Hemi deck height
• Forged and Machined in the USA — Wiseco's Mentor, Ohio facility

The Wiseco K0112X05 piston kit is the go-to choice for builders seeking a reliable, high-performance forged piston solution for the Chrysler/Dodge 6.1L Hemi platform, whether building for the street or the strip.