Comp Cams 4-Pattern 293QIO8;2900-7200 RPM Speedzone Performance LLC COMP Cams® Steel Valve Spring

COMP Cams® Steel Valve Spring Retainers offer both unmatched looks and superior performance that set the industry standard

Direct replacement lower coolant hose

the included adapter works for both

Bright red aluminum lug nuts in a 20-piece set with matching removal key

dual-locking mechanism for safety and stability

Comp Cams 4-Pattern 293QIO8;2900-7200 RPM Speedzone Performance LLC COMP Cams® Steel Valve Spring4 Pattern 293QIO8; 2900 7200 RPM 4 Pattern? Optimize Valve Events Based on Runner Length; Increases Area Under the Curve & High RPM Stability To make the most power from your engine, you need to optimize the air ingested and captured by avoiding valves closing too soon or too late. Any conventional center layout single throttle body or carbureted V8 intake manifold features longer outboard runners and shorter inboard runners, meaning that each valve