The Speedmaster PCE261.1185 is a set of adjustable pedestal mount rocker arms designed for Chevy and GM LS7 engines. Featuring a 1.8 ratio and aluminum shaft construction, these rocker arms deliver reliable valve actuation for high-performance engine builds and restorations. The adjustable pedestal mount design allows for precise valve lash tuning, making them ideal for both street and competition applications where engine performance and durability matter.
Built with aluminum shafts and engineered for the LS7 platform, these rocker arms are a direct fit solution for enthusiasts looking to upgrade or replace worn factory components. The 1.8 ratio geometry is optimized for LS7 cylinder head compatibility and provides consistent valve timing across the full RPM range. Whether you're building a weekend warrior or refreshing a high-mileage engine, these adjustable rocker arms offer the precision and adjustability needed to maximize engine efficiency and power delivery.
Key Features & Benefits
- 1.8 Ratio Design: Engineered specifically for LS7 cylinder heads with optimized valve lift geometry.
- Aluminum Shaft Construction: Lightweight aluminum shafts reduce mass while maintaining structural integrity.
- Adjustable Pedestal Mount: Allows precise valve lash adjustment for tuning and optimization.
- LS7 Engine Compatibility: Direct fit for Chevy and GM LS7 engines and compatible platforms.
- Performance-Ready: Suitable for street, strip, and competition engine applications.
Specifications
| Brand | Speedmaster |
| Model/MPN | PCE261.1185 |
| Engine Compatibility | Chevy GM LS7 |
| Rocker Arm Ratio | 1.8 |
| Shaft Material | Aluminum |
| Mount Type | Adjustable Pedestal Mount |
Ideal Applications
- LS7 engine rebuilds and restorations
- High-performance street and strip applications
- Engine upgrades requiring precise valve lash tuning
- Competition and race engine builds