Up and forward Turbo Headers for LS1 LS2 LS3 LS6 LSX V8. Head Flange Thickness:3/8 in. Pipe Thickness: 16 gauge (1.5mm). Designed for LS based small block V8 engines(LS1, LS2, LS3, LS6, LSX).
Can be used for single or twin turbo builds. Will NOT fit LS4 engines. No instructions provided; professional install recommended.