DSS Racing FX Series Forged Pistons

Chrysler / Dodge / Jeep / Ram 6.2L Hellcat & Trackhawk

1-6867-4125 / 2-6867-4125 / 3-6867-4125 / K1-6867-4125 / K2-6867-4125 / K3-6867-4125

Overview:

The DSS Racing FX Series Forged Pistons are precision-engineered performance components designed specifically for the 6.2L Gen III Mopar Hemi engines found in most Chrysler, Dodge, Jeep, and Ram Hellcat and Trackhawk models. These pistons are crafted to deliver superior strength, durability, and reliability under high-stress conditions, making them an excellent upgrade for enthusiasts seeking enhanced engine performance and longevity.

Built to accommodate various compression ratios and combustion chamber volumes, these pistons offer flexibility for custom engine builds and performance tuning. Whether you are rebuilding your engine or upgrading for higher boost levels, the DSS Racing FX Series pistons provide the robust foundation needed for serious power gains.

Key Features:

Designed with advanced engineering and quality materials, the DSS Racing FX Series Forged Pistons include the following key features:

• Forged from high-strength aluminum alloy for optimal durability and weight savings
• +4cc dome top design to increase compression and improve combustion efficiency
• Comp height of 1.275" tailored for Gen III Mopar Hemi applications
• Pin diameter of .927" compatible with full-floating or press-fit configurations
• Ring groove dimensions of 1.2/1.2/3mm for reliable ring sealing and reduced friction
• Stroke compatibility of 3.578" and connecting rod length of 6.2" for precise fitment
• Available in multiple combustion chamber volumes (65cc, 74cc, 85cc) to achieve compression ratios from 9.74 to 12.24
• Engineered for high-performance street, track, and racing applications

Construction & Design:

The DSS Racing FX Series pistons are forged from premium-grade aluminum alloy, ensuring exceptional strength-to-weight ratio and resistance to thermal and mechanical stress. The dome top design enhances combustion chamber dynamics, promoting efficient fuel burn and power output. Precision machining guarantees tight tolerances for optimal piston-to-cylinder wall clearance and ring fitment, reducing wear and improving engine longevity.

Each piston is compatible with either full-floating or press-fit wrist pins, providing versatility for different engine builds and preferences. The ring grooves are engineered to maintain ring stability and minimize blow-by, contributing to improved engine efficiency and reduced oil consumption.

Installation & Fitment:

These pistons are designed as direct replacements for the 6.2L Gen III Mopar Hemi engines used in Chrysler, Dodge, Jeep, and Ram Hellcat and Trackhawk models. Installation requires standard engine rebuild procedures, including proper honing and cleaning of cylinder bores. Depending on the wrist pin configuration chosen, either full-floating or press-fit installation methods can be employed. It is recommended to consult a professional engine builder to ensure correct piston ring end gaps and clearances for your specific application.

What's Included:

• Set of DSS Racing FX Series Forged Pistons (quantity as per SKU selection)
• Wrist pins compatible with full-floating or press-fit installation
• Detailed specifications for compression height, dome volume, and ring groove dimensions

Ideal For:

These pistons are ideal for performance enthusiasts, engine builders, and racers who demand reliable, high-strength components for their 6.2L Hellcat or Trackhawk engines. Whether upgrading for forced induction, higher compression, or track use, the DSS Racing FX Series pistons provide the durability and precision needed to support increased power levels and aggressive driving conditions.

DSS Racing — Founded in 1983 originally as Danny’s Speed Shop, DSS Racing has grown from a small Midwest performance engine shop into a respected name in forged engine components for the high-performance and racing markets. Based in St. Charles, Illinois, DSS is best known for its forged pistons and machined engine parts made in the USA that have been used in championship engines and thousands of builds, blending old-school racing roots with precision manufacturing for enthusiasts and racers alike.