Speedmaster Mopar Chrysler SB 318 340 360 1.6 Ratio Stainless Steel Roller Rocker Arm Set PCE261.1085

The Speedmaster Mopar Chrysler SB 318 340 360 roller rocker arm set is a stainless steel rocker arm assembly engineered for small-block Mopar engine platforms. Featuring a 1.6 ratio design, this precision-machined component delivers reliable valve actuation and improved durability over stock rockers, making it an ideal upgrade for performance engine builds, rebuilds, and high-revving applications.

This roller rocker arm set is constructed from stainless steel for corrosion resistance and longevity in demanding engine environments. The 1.6 ratio geometry enhances valve lift characteristics, supporting increased airflow and engine efficiency. Compatible with Mopar Chrysler SB engine blocks including the 318, 340, and 360 cubic-inch variants, this set integrates seamlessly into stock or modified short-block assemblies. Whether you are refreshing a vintage Mopar engine or building a custom performance platform, this rocker arm set provides the mechanical advantage and build quality expected from a recognized performance brand.

Key Features & Benefits

• 1.6 Ratio Design: Delivers increased valve lift for enhanced airflow and engine performance.
• Stainless Steel Construction: Corrosion-resistant material ensures durability and long-term reliability.
• Roller Rocker Design: Precision rollers reduce friction at the cam lobe interface for smoother operation.
• Mopar SB Engine Compatible: Engineered for Chrysler SB 318, 340, and 360 cubic-inch engine platforms.
• Performance-Grade Assembly: Ideal for engine rebuilds, restorations, and high-revving builds.

Specifications

Ideal Applications

• Small-block Mopar engine rebuilds and restorations
• Performance engine builds for increased valve lift and airflow
• High-revving street or racing engine applications
• Replacement rocker assemblies for 318, 340, and 360 Chrysler platforms