Holley Hi-Ram EFI Intake Manifold Kit - Big Block Chevy 300-964 complete-line-kit It whistles on the compression

It whistles on the compression stroke and stops whistling at approximately Top Dead Center

ABOUT THE PART Category: Exhaust > Catalytic Converter > Catalytic Converter Description: Direct fit catalytic converter Fitment Summary: Fits: 2006-2009 Toyota 4Runner

Also Fits 07-08 Chevrolet Silverado 1500

amber daytime running light LEDs 8 degree spot / 60 degree flood combo pattern Black panel design

Application Big Block Chevy Brand Holley Emission Code 3 Finish Polished Gaskets Included No Gromment(s) Included Yes Height Tall Logo M/T Material Cast Aluminum Mounting Hardware Included No Oil Fill Yes Oil Fill Cap Included Yes Product Type Valve Cover Style M/T BBC Type of Component Valve Cover Warranty Limited 90 Day

Holley Hi-Ram EFI Intake Manifold Kit - Big Block Chevy 300-964 complete-line-kit It whistles on the compressionHi Ram intake manifold with 2x4 4150 plenum top. A 10AN fuel rail kit is included 300 964. Holley Hi Ram EFI intake manifolds are now available for 1965 & later 396 502+ MKIV MKVI Big Block Chevy engines with standard intake flange rectangle port cylinder heads. Traditional Big Block Chevy engines can now also be fitted with the Holley Brand Hi Ram type EFI intake manifolds that have so well served GM LS & LT, Gen 3 Hemi, SBF Ford, and Ford Coyote