331/354/392 Donovan 417 Hemi Oil Bypass Plug

Racer can choose application from drop down menu. Red anodized is 331/354/392 Hemi, .552" in diameter by 1.650" long and blue anodized is Donovan 417 Hemi .620" in diameter by 1.700" long . Each plug includes a fuel resistant O-ring to make a superior seal.