Universal Early & Late Dipstick O-ring & Grommet-Seal K3291C (3291 + 1259475)
77 1/2 ton Heavy Half chev 454,350TH,3.07rear driven 6 YR now changed back to 85 monte carlo SS 305 Motor as of 2004, june,30 inter changed to 84 GMC style, flatbed with a 98 van bumper.