<P> The 1967 Impala SS was less decorated than other Impalas; Super Sports had black grille accents and black - accented body - side and rear fender moldings . Lesser models leaned more toward brightwork inside and out . Buyers could choose either vinyl bucket seats with a center console, or a Strato - Bench seat with a fold - down center armrest . Standard wheel covers were the same as the optional full covers on other big Chevrolets, but the centers featured the "SS" logo surrounded by tri-color ring of red, white and blue . "Chevrolet" and "Impala" callouts on the body were all replaced by "Impala SS" badges . Of the 76,055 Impala SS models built, just 2,124 were ordered with RPO Z24, a special performance package that included RPO F41 heavy - duty suspension and other performance features, RPO L36 (385 hp (287 kW; 390 PS)) Turbo - Jet 427 cu in (7.0 L) V8, as well as a special trim package that replaced the "Impala SS" badges with large "SS427" emblems on the front grille and rear trim . None of these cars had the name "Impala" anywhere on the body or interior, and Chevrolet often marketed them as the "Chevrolet SS427," sans the "Impala" name . The Z24 package also included a special hood with fake chrome - plated intake . Only about 400 Super Sports had a six - cylinder engine from 1967 to 1968, 390 hp (291 kW; 395 PS) in 1969, or L72 (425 hp (317 kW; 431 PS)) from 1968 to 1969 . Special SS427 badging, inside and out, was the rule, but few were sold, since muscle car enthusiasts were seeking big - block intermediates, such as the Chevelle SS396 and Plymouth Road Runner . </P> <P> In 1968 as Caprice sales escalated, those of the Impala Super Sport suffered a decline . Much of this drop in sales was no doubt due to the availability of big - block engines in the mid-sized (and lighter) Chevelle, and even Novas could be special - ordered with the 396 engine with the new - for - 1968 body . No longer a separate series, the Super Sport was a mere $179 option package (Regular Production Option Z03) for the two Impala coupes and the convertible . Only 38,210 Impalas were so - equipped, including 1,778 with the Z24 package, which was carried over from 1967 . In 1968 only, SS427s could be ordered without the Z03 SS package, which meant SS427 equipment but no bucket seats, SS door panels, or center console . The Z03 Impala SS could be identified by "Impala Super Sport" badges on the front grille, rear fenders and trunk lid . Z24 - optioned cars included "SS427" emblems to replace the "Impala Super Sport" badges, a special layered "pancake" hood, and three "gills" mounted on the front fender aft of the wheel well à la Corvette Stingray . </P> <P> In 1969, the Impala SS was available only as the Z24 (SS427), coming exclusively with a 427 cu in (7.0 L) V8 of 335 hp (250 kW; 340 PS), 390 hp (291 kW; 395 PS), or 425 hp (317 kW; 431 PS). This was the final year for the Impala SS until 1994 . Unlike the previous two years, the 1969s finally got "Impala" script on the front fenders and interior . The 1969 Impala SS had no distinctive SS badging inside the car except for an "SS" logo the steering wheel (again, there was no Z03 offered that year). Like the 1968s, the Z24 could be ordered on the Impala convertible, Sport Coupe, or Custom Coupe. 1969 was the last year that the Impala SS was offered with the Z24 package, but the only year in which front disc brakes and 15 - inch (380 mm) wheels were standard; that made the 1969 SS427 mechanically better than the previous versions in standard form . Although sales of 1969 Z24 - optioned Impalas increased to approximately 2,455 units from the 1,778 Z03 - optioned units of 1968, and high - powered big - block V8 engines continued to be available, there would be no Impala SS for 1970 . The 427 was also replaced on the engine offerings list by a new Turbo - Jet 454 producing 390 hp (291 kW; 395 PS) </P> <P> The 1965--1970 GM B platform is the fourth best selling automobile platform in history after the Volkswagen Beetle, Ford Model T and the Lada Riva . </P>

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