
Seven Hyper-Pak Valiants entered NASCAR's 1960 compact-car race at Daytona and swept first through seventh. NASCAR never ran that race again.
Median 83 hp across 153 similar cars
Lead trim: Valiant 170 Slant-6 Hyper-Pak (dealer kit)
Plymouth Valiant Hyper-PakVALIANT-HYPER-PAK · 1959–1960
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Nobody in Burbles has spotted a Plymouth Valiant Hyper-Pak yet. See one on the street, point the app at it, and the first card is yours — with your @handle permanently credited on this page.
FactSeven Hyper-Pak Valiants entered NASCAR's 1960 compact-car race at Daytona and swept first through seventh. NASCAR never ran that race again.
Plymouth product planning director Jack Charipar gave impetus for a stock car racing version of the Valiant, and while Chrysler engineers developed the Hyper-Pak for the track, the Hyper-Pak dealer tuning kit option for the 170 cu in slant-six was made available in limited quantities on 1 December 1959: 153 lb·ft (207 N·m) of torque, a 10.5:1 compression ratio, dual exhaust pipes on a single muffler, a manual choke and a larger 15 US gal fuel tank (the all-aluminum slant-6 with a reproduction Hyper Pak intake manifold is shown on the page). For the first NASCAR compact-car category at Daytona on 31 January 1960 Chrysler engineer Dick Maxwell built a fleet of seven Hyper Pak Valiants with 148-hp 170-ci sixes with a single four-barrel and ram manifold, high-load valve springs and long-duration, high-lift camshafts: Marvin Panch won the 10-lap road course at 88.134 mph with the Hyper-Paks taking the first seven places, and the 20-lap tri-oval race at 122.282 mph, the remaining Valiants placing 1-2-3 (a multi-car accident on lap four took out the four leaders, including Richard Petty), so that "NASCAR never did that race again". The page gives 148 hp only for those race engines, so no power is entered for the dealer kit.
Collectors Spotted in the Plymouth Valiant Lineage
No member has published a public street spot of the Plymouth Valiant yet — the First · Worldwide stamp is wide open.
Trims & Figures
One published trim in the catalogue. A blank is a figure not recorded, not zero.
| Trim | Years | Engine | Power | Torque | 0–60 | Drive | Gearbox | MSRP |
|---|---|---|---|---|---|---|---|---|
| Valiant 170 Slant-6 Hyper-Pak (dealer kit) | 1959–1960 | 2.8 L Inline-6 | 148 hp | 153 lb-ft | — | RWD | — | — |
Owning one
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Owners’ builds
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Photographs





In 1976 Chrysler sold cop-spec Valiants with a 360 V8 police package that ran the quarter-mile in 16.4 seconds — fast enough to catch nearly any muscle car still on sale that year.

By 1974 the Valiant sedan wasn't really its own car anymore — Plymouth simply rebadged the Dodge Dart, leaving only minor cosmetic differences between the two nameplates.

The redesigned 1967 Valiant dropped wagons, hardtops and convertibles down to sedans only — anyone wanting the coupe thrill just bought the Barracuda, which was secretly the same car in a sportier suit.

This Valiant's platform beat the Mustang to the punch — the Barracuda, built on the Valiant's wheelbase, hood and windshield, reached showrooms two weeks before Ford's pony car, in April 1964.

The Valiant's grille was cast in aluminum instead of the usual zinc die-casting — shaving the whole assembly down to 3 pounds, a quarter the weight rivals carried up front.

Seven Hyper-Pak Valiants entered NASCAR's 1960 compact-car race at Daytona and swept first through seventh. NASCAR never ran that race again.
Rivals
Same body, same money, other badges — tap any card to flip.

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