PERF RPM MAN.GM VORTEC 96

Engine Compatibility: Chevy Small Block V8 262-400 Cubic Inch,Recommended Use: Street And Marine,Basic Operating RPM - Low: 1500,Basic Operating RPM - High: 6500,Carburetor Count: 4-Barrel,Type: Dual Plane,Fuel Delivery Type: Carbureted,Flange Type: Square Bore,Cylinder Block Design: Standard,Port Shape: Square,EGR: Non-EGR,Finish: Natural,Color: Silver,Material: Aluminum,Includes Fuel Rail: No Their Larger Plenums And Runners Match The Free Flowing Exhaust, High Lift Cams And Other Modifications Of A High Output Engine,Limited 1 Year Warranty