Speedmaster®
Oldsmobile 330 350 400 425 455 1.6 Ratio Aluminum Shaft Mount Rocker Arm Set
Product Information
Overview
Speedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision-machined to ensure consistency and ratio accuracy and have a great looking anodized finish..
Specs
| Brand: | Speedmaster |
| Part Number: | PCE261.1116 |
| Part Type: | Rocker Arm |
| Product Line: | Shaft Mount |
| Rocker Arm Mounting Style: | Shaft |
| Rocker Arm Ratio: | 1.6 |
| Rocker Arm Style: | Full roller |
| Shims Included: | n/a |
| Self-Aligning: | Yes |
| Rocker Arm Body Style: | Standard |
| Rocker Arm Material: | Aluminum |
| Rocker Arm Finish: | Gold Anodized |
| Quantity: | Sold as a kit. |
| Notes: | Includes pedestals, bolts and washers as well as a shaft that connects each pair of rockers to prevent lateral movement. |
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.