How to Build LS Gen IV Performance on the Dyno: Optimal Parts Combos for Maximum Horsepower

The GM LS engine has redefined small-block V-8 performance. It's the standard powerplant in many GM cars and trucks and it has been installed in a variety of muscle cars, hot rods, and specialty cars to become the undisputed sales leader of crate engines. The aftermarket has fully embraced the GM Gen IV LS engine platform offering a massive range of heads, intakes, pistons, rods, crankshafts, exhaust, and other parts.

Seasoned journalist and respected author Richard Holdener reveals effective…