Speedmaster LS1/LS6 1.8 Ratio Aluminum Shaft Rocker Arms Set with Hardware PCE261.1149

The Speedmaster PCE261.1149 is a high-performance rocker arm set engineered for Chevy GM LS1 and LS6 engines. This aluminum shaft rocker arms assembly features a 1.8:1 ratio and arrives complete with all necessary hardware for installation, making it an ideal choice for engine builders, enthusiasts, and performance shops looking to optimize valvetrain geometry and reliability on their LS powerplants.

Built with aluminum construction for weight savings and durability, these shaft-mounted rocker arms deliver consistent valve actuation across the entire RPM range. The 1.8 ratio provides enhanced valve lift multiplication, improving flow characteristics and overall engine performance. Whether you're rebuilding an LS1 or LS6 for street performance, track duty, or high-RPM applications, this complete rocker arm set simplifies the valvetrain upgrade process by bundling all components needed for a proper installation.

Key Features & Benefits

• 1.8:1 Ratio: Provides increased valve lift multiplication for improved cylinder head flow and performance gains.
• Aluminum Construction: Lightweight shaft design reduces rotating mass while maintaining strength and durability.
• Complete Hardware Set: Includes all fasteners and mounting components needed for proper installation.
• LS1/LS6 Compatibility: Engineered specifically for Chevy GM LS1 and LS6 engine platforms.

Specifications

Ideal Applications

• LS1/LS6 engine performance builds and rebuilds
• Track and racing applications requiring optimized valvetrain geometry
• Street performance upgrades for increased power output
• High-RPM engine applications demanding reliable valve actuation