Stealth Intake Manifold BB-Chevy 396-502ci - Oval Port4150 Carb FlangeIdle-6500 RPM Range Will clear HEI distributor High Rise/Dual Plane Design 4150 Style Square Bore Mounting Flange Machined for Standard Deck Blocks Power band: Idle-6800 RPM Height: Front 4.75", Rear 5.75" Port Size: 1.84" height, 1.64" widthRecommended intake manifold gasket p/n 555-210102Recommended thermostat housing gasket p/n 375-2201Emissions Note:This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
By porting 049 heads and getting an Eagle 496 balanced stroker kit, a COMP K11-443-8 cam kit, I was able to port match the intake to the heads use a 2 inch spacer on this Manifold and get 670 HP to the flywheel on my 65 Impala SS. I now have to work on my Muncie to handle the power.