1984 Chevrolet Monte Carlo This is a Classified ad on eBay for a fixed price of $15,000, this is NOT AN AUCTION. Click here to see all details.This site contains affiliate links for which I may be compensated. More Details1984 Monte Carlo. Quiet heavy-duty roller chain set. Cloyes S390T. Timing Set. Matches lift capacity up to. 500" without coil bind. COMP Cams Matching Springs. Valve Springs. Advertised Duration: 274° / 274°, Duration @. 050": 218° / 218°, Valve Lift (1.5 Rocker).462"/.462", Lobe Separation (LSA): 110°. More Vehicles Like This 1988 Chevrolet Monte Carlo$35,0001985 Chevrolet Monte Carlo$220,2121986 Chevrolet Monte Carlo$29,9971987 Chevrolet Monte Carlo$39,990