Designed for 1987-95 305/350ci (5.0/5.7L) Chevy Throttle Body Injectioned (T.B.I.) engines. Ideal for trucks, Blazers and Suburbans (Will not fit Caprice or Buick and Cadillac "B" Bodies). For 305 and 350 V8s with OEM T.B.I. 1987-95. T.B.I. water jacket similar to stock. Accepts all OEM equipment and small-bore (1-11/16') throttle body injectors only. No chip changes or computer mods required unless entire 5.7L Power Package (manifold, cam, heads) is used.

Installation Notes:

• Port exit dimensions: 1.13" x 1.87"
• Manifold height: (A) 3.70' , (B) 5.10' - .250' taller than stock
• Pad Height: 4.40" Click here to determine throttle body pad height.
• Use stock Throttle Body Injection unit.
• Requires gasket #809-10159409 or Fel-Pro #375-MS93317

Emissions: Not CARB compliant - Not legal for use in California or any state adopting CA restrictions.

Emissions 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.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART