Holley EFI LS Split Intake Manifold - Square Bore - Single Plane - Black Ceramic - LS1/LS2/LS6 - GM LS-Series Coil-Over Adapter Duration 204 / 214

Duration 204 / 214

Maximum Travel in All Rates with Repeatable Performance - Block and Sag Resistant

GM Fullsize Truck 1990-94

1/2" NPT Temperature Bung

When you design and sell the best-engineered performance products in the world

Holley EFI LS Split Intake Manifold - Square Bore - Single Plane - Black Ceramic - LS1/LS2/LS6 - GM LS-Series Coil-Over Adapter Duration 204 / 214Engine Intake Manifold Lighter Than Other Split Race Intakes Split Feature Making Porting Efforts Easy 1 3 to 1 2 The Price Of Other Split Race Intakes Captured O Ring Seals At Head Ports and Split Vacuum Port Options Includes (2) 1 8; (1) 1 4; (1) 3 8 NPT Ports A B Height 7. 32 in. (0 Deg carb flange angle) Port Size 3. 28 in. Height x 1. 10 in. Wide Carb Flange Std 4150 For Up To 1 3 4 in. Diameter Throttle Bores As Cast Runner Area 3. 5 in. Square