Features: High rise/ dual plane design Idle-6800 RPM power band No EGR provision Square flange carburetor mounting Lunati camshaft and lifter kit available under P/N 06002LK Carburetor Recommendations: 0-80145 (600 CFM); 0-4777S (650 CFM) Installation: Fits GT-40 and TFS heads. Will NOT fit 255 or 351W engines. Specifications: Height - front 4. 35", rear 5. 59". Shipping weight is 20 lbs. Not legal for street use with a 4-barrel in California on vehicles equipped with a 2-barrel carburetor, for which there was no 4-barrel option.Pit Stop USA offers Weiand Stealth Intake Manifold - Weiand Stealth Intake Manifold Ford 221 - 260 - 289 - 302 V8 (Exc. Boss) 8020 at low everyday prices. Be sure to check out all of our products from Weiand including Weiand Intake Manifolds - Small Block Ford.