This product is suiatble for GM, for Hummer, & for Isuzu 8 cylinder engines: V8 4.8L, 5.3L, 6.0L, 8.1L.. Stable performance, high reliability,suitable for replacing your broken one.. Own different test machines to design exact accurate parameter for our products.All items were tested for performance.. Made by material, lightweight, anti-rust, colorfast and durable..
