Speedmaster PCE261.1185 LS7 Adjustable Pedestal Rocker Arms 1.8 Ratio Aluminum Shaft

The Speedmaster PCE261.1185 rocker arms are precision-engineered pedestal mount rocker arms designed for Chevy GM LS7 engines. Featuring a 1.8:1 rocker ratio and aluminum shaft construction, these adjustable rocker arms deliver professional-grade performance for high-performance street and racing applications.

Key Features:

• Constructed from high-strength aluminum alloy rocker bodies with precision-ground roller bearings
• CR40 hardened steel roller tips for reduced friction and valve stem wear
• Full-complement needle bearings throughout for maximum durability and friction reduction
• Internal oiling system ensures continuous lubrication for long-lasting performance
• Rated for up to 750 lbs. open spring pressure to accommodate aggressive cam profiles
• Hand-polished toplines and tumbled finish to eliminate stress risers and improve fatigue resistance
• High-quality steel alloy socket head machine screws included
• Posi-Lock adjusters included for precise valve lash adjustment
• Direct bolt-on installation with no cylinder head machining required

These rocker arms are compatible with a wide range of hydraulic camshaft profiles and high-performance valve springs. Note that some OEM valve covers may require modification of breather baffles, or aftermarket valve covers may be needed for proper clearance.