GM small-block Chevy Vortec heads deliver great performance per dollarbut theyre still only based on production pickup-truck castings. The iron heads are heavy. They have press-in rocker-arm studs ...

GM Performance Parts sweetened the deal even further by announcing that each head could be obtained fully assembled for approximately $250. The cast-iron Vortec heads were released in 1996 and ...

GM Performance Parts, Crane ... several single and dual springs that will work with the stock valves. The Vortec heads offer a wealth of power potential for their extremely low price.

and dozens of dyno tests have shown that the often overlooked 706 Vortec head can give you great performance. These cathedral-port offerings come stock with great flow and, unlike many truck heads ...

The Vortec 5.3L V8 LMG was an engine produced ... Variable valve timing helps the 5.3L optimize performance and efficiency and reduce emissions, while GM’s Active Fuel Management cylinder ...

a handful of companies are making performance upgrades for this beast. Aluminum heads, stroker kits, camshafts, and intakes are among the bolt-on parts that will step up the Vortec 8100's game.

GM branded their truck and SUV engines "Vortec" and kept the LS label for high-performance cars. Indeed, Vortecs and LS engines are similar enough to have interchangeable parts, making Vortecs ...

It’s known by several names: The LL8, Vortec 4200 ... connecting rods and Diamond pistons in addition to a head ported by Snyder Performance, Schneider Racing 66RH camshafts, Crower valve ...

The Vortec 8100 was used in heavy-duty trucks and SUVs, featuring a strong 18-bolt head pattern and upgraded ... tend to be used in vehicles with high-performance aspirations.