Holley: Small Block Chevy Tri-Power System

Holley’s Tri-Power Carburetor system is legendary in Chevrolet circles! They were the ultimate power statement when they came factory on cars like the 1967 427 Corvette. Now you can have the same look on your SB Chevy! Perfect for muscle cars, street rods, classic hot rods, rat rods, trucks, and more! Cruise around economically on the 350 CFM center carb, and when you decide to step on it, the two 325 CFM outboard carbs kick in for head-snapping performance! Choose from either the dichromate (300-521) or shiny carbs (300-522).

Holley 300-521
Holley 300-521

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Though this is not a paid review, this content has been produced by The AAM Group in support of manufacturers with whom it has a business relationship.

Edge Products’ Evolution CS/CTS Get Welcome Feature Update for Chevy/GMC Gas Vehicles

For Evolution CS and CTS users who have been asking for an option to disable their units’ Active Fuel Management/Displacement on Demand (AFM/DOD) feature, your time has come.

Edge Products 85101
Edge Products 85101

AFM/DOD, which appears on Evolution models PN 85150 and PN 85250 (covers 2007–2013 5.3L and 6.2L Chevy/GMC trucks and SUVs as well as 6.0L 2007–2010 1500 Chevy/GMC trucks) has been known to cause shuddering, dropped cylinders, and excessive oil consumption.

Reacting to these issues, Edge Products has released a fix that allows you to toggle off AFM/DOD directly from the Evolution screen. Users simply go online to download the quick, easy, and free patch.

Ready to buy? Need help with the install? To find your nearest Parts Pro affiliate, see our Store Locator. Or join the conversation at the Parts Pro Facebook page!

Though this is not a paid review, this content has been produced by The AAM Group in support of manufacturers with whom it has a business relationship.