For the base std 5ltr 305 & 4.1 ltr 6cylinder Camaro Nova, Impala, Chevelle, Monte Carlo, Firebird.
Slightly different looking as an imporved TOMCo. They are stainless steel internals as needed.. cooler operating, longer lasting. It has a compact canister & elevated backpressure reducer.
Mounts the same as normal gm EGRV.
Replaces GM # 17055753,17056075
ONE ONLY