SPECTRA PREMIUM IS A DIRECT-FIT REPLACEMENT. IT IS SPECIFICALLY ENGINEERED TO MATCH THE EXACT FIT, FORM AND FUNCTION OF THE ORIGINAL FACTORY UNIT. NO ADAPTING !! YAHOO !!
FITS: CHEVROLET MONTE CARLO, IMPALA.
BUICK REGAL, CENTURY.
OLDSMOBILE INTRIGUE.
PONTIAC GRAND PRIX.
ALL OF THE ABOVE HAVE A V/6 ENGINE EITHER 3.1L, 3.4L, 3.5L OR 3.8L.
PLEASE SEE THE FITMENT CHART.
THANKS FOR YOUR TIME.