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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
2002-2009 GMC Envoy
Model 4500
Up to 6 hours at 50% backlight / Up to 1 hour at 100% backlight
nuts and washers)
fade-free performance from
Moroso SB Chevy Deck Plug Kit - SB and 90 V6 Chevy AA0710AG3R57 2002-2009 GMC EnvoyUpper cylinder wall distortion is greatly reduced when these 3 4" NPT plugs are installed in the water passage holes in the decks of Small Block and 90 V6 Chevy engines Water holes must be tapped before the plugs are screwed in; block must also be decked after installation Plugs also restrict water flow to the cylinder heads by reducing size of water passage holes to 5 16" Packaged 6 to a kit Moroso Performance Products is one of the worlds most