Perfect for initial break-in, these Ultra-Gold ARC rockers for Chevrolet Small Blocks reduce valve lift by limiting the rocker ratio to 1.3. A great asset to engine builders who prefer to limit the valve lift over removing an inner spring.
    
      
         
            
               - Category:
- Engine Components>Rocker Arms
               - Core:
- N
               - LTL:
- N
               - MPN:
- 19012-16
               - Proposition 65:
- Y
               - Special Order:
- Y
               - Clearance Item:
- N