Ohio Speed Shops Dyno Tested LS 6.7L 570HP Deluxe Engine ...
Ohio Speed Shop's Deluxe Engine Package brings 570-hp, a lopey idle, and some unique flair to the table!
Ohio Speed Shops Announces a Self-Learning 470HP 6-Liter LS Crate ...
Our friends at OSS announce a brand new crate engine package with self-learning EFI, 470hp and an iron block for durability.