Wiseco Professional Series Forged Pistons 4.055 Bore -8cc Volume: Chrysler 300 / Dodge Charger / Challenger (2005-2010)

Wiseco Professional Series Forged Racing Pistons

Chrysler 6.1L Gen III HEMI Small Block Mopar

K0111XS

Overview:

The Wiseco Professional Series forged racing pistons are precision-engineered drop-in replacements designed specifically for the Chrysler 6.1L Gen III HEMI small block engine. Built for serious racers and high-performance builders, these pistons deliver exceptional strength and durability to withstand the rigors of heavy to severe duty race applications.

Whether you are assembling a high-output race engine or upgrading your Mopar for track use, these pistons provide the reliability and performance needed to push your build beyond factory limits. Each set comes complete with premium piston rings, ensuring optimal sealing and longevity under demanding conditions.

Key Features:

Wiseco’s Professional Series pistons incorporate advanced design and manufacturing techniques to meet the needs of competitive motorsports and high-performance enthusiasts:

• Forged from high-strength aluminum alloy for superior durability and resistance to thermal and mechanical stress.
• Precision drop-in design with a 4.055-inch bore diameter for direct replacement in Chrysler 6.1L Gen III HEMI engines.
• Compression height of 1.220 inches optimized for proper deck clearance and piston-to-valve clearance.
• Pin diameter of 0.984 inches engineered for robust wrist pin fitment and reduced wear.
• Designed to withstand heavy to severe duty race conditions, including high RPM and elevated cylinder pressures.
• Supplied as a complete set of eight pistons with premium rings for balanced performance across all cylinders.
• Manufactured with tight tolerances to ensure consistent fitment and performance in high-stress environments.
• Ideal for builders seeking to maximize power output and engine reliability in Mopar 6.1L HEMI applications.

Construction & Design:

These pistons are forged using Wiseco’s advanced forging processes that enhance grain structure and mechanical properties, resulting in pistons that resist cracking and deformation under extreme conditions. The forged aluminum alloy construction offers an excellent strength-to-weight ratio, reducing reciprocating mass and improving engine responsiveness.

The pistons feature a carefully engineered compression height and pin diameter to maintain proper geometry and clearances within the cylinder bore. This precision ensures smooth operation and longevity, even in high-performance race engines.

Installation & Fitment:

Designed as a direct drop-in replacement for Chrysler 6.1L Gen III HEMI small block engines, these Wiseco pistons require no modifications to the engine block or connecting rods. They utilize factory dimensions and mounting points, allowing for straightforward installation by experienced engine builders.

No cutting, drilling, or special tuning is required when installing this piston set, making it an efficient upgrade for performance builds.

What's Included:

• Set of 8 forged aluminum pistons
• Premium piston rings installed

Ideal For:

• Professional racers and serious engine builders
• High-performance Mopar 6.1L HEMI engine builds
• Heavy-duty and severe duty race applications
• Builders seeking reliable, durable forged pistons for track or competition use