The 1975–1986 Chevrolet K5 Blazer was built to go where others couldn’t—whether that’s the backwoods, the beach, or the boulevard. With its removable top, solid-axle toughness, and small- or big-block V8 power, this full-size SUV is a legend among off-roaders. Explore performance upgrades, LS swap systems, suspension kits, and restoration parts designed to get your Squarebody Blazer trail-ready or show-worthy.

Creates a considerably hotter spark that lets the flame expand more rapidly in the combustion chamber and a more complete and efficient burn of the air/fuel mixture