Product details:

Comp Cams 121216 High Energy Rocker Arms Will not replace late model rail rocker 16 Pieces fits Chevrolet Bel Air Chevrolet Blazer Chevrolet C10 Chevrolet C10 Pickup Chevrolet C10 Suburban Chevrolet C1500 Chevrolet C1500 Suburban Chevrolet C20 Chevrolet C20 Pickup Chevrolet C20 Suburban models. Please visit us to verify fitment on your vehicle. Specs. Excellent replacement rocker arms for engine rebuilds with a stock or High Energy Camshaft. Help to eliminate noise and slop associated with worn or high mileage stock rockers. Include adjusting nuts and pivot balls where required. Feature a long slot for higher than stock lift camshafts. Valve train deflectors recommended when using a high volume or high pressure oil pump. Nitrided rockers are designed for higher valve spring pressures and hardened pushrods. Nitriding increases hardness thus improving durability and longevity of rocker arms.