Porsche 718 RSK
The 718 RSK is the 550's sharpened heir: the late-fifties spyder that took Le Mans class wins, Targa Florio outright glory and even Formula 2 honours — the four-cam lineage's competition summit before the sixties changed everything.
History
Porsche's 718 RSK (1957, the K-designation from the front suspension's revised geometry) evolved the 550A's giant-killing into systematic conquest: the four-cam spyder's late-fifties campaigns — Le Mans class wins and podium overall results (1958's third overall the marque's statement), the Targa Florio's outright victories (the 718 lineage's Sicilian dominance era), Sebring's class honours — running parallel to the type's single-seater adventure: RSK-based Formula 2 entries (centre-seat conversions) scoring against the purpose-built field, the marque's open-wheel apprenticeship before the 804's F1 chapter.
The RS60-and-RS61 successors extended the family as the sixties opened, keeping the four-cam spyder line front-line until the 904's arrival reset the architecture.
The market is the 550's aristocracy continued: the 718 family's originals (production in the dozens, chassis scholarship through the same registry depth) trade at collection stakes with the racing-history premium the type's results ledger multiplies — Targa-winning provenance being the summit — and the four-cam priesthood's economics governing the runners.
Palmarès
Le Mans 1958 third overall and class wins across the era, Targa Florio outright victories in the lineage's Sicilian dominance, Sebring class honours and the F2 adventure's points — the sharpened heir's conquest ledger.
What to check before you buy
The 550's law continued: chassis scholarship at dozens-production depth (the 718 family's identities documented car-by-car — racing history's premium multiplying where Targa-and-Le-Mans provenance attaches), four-cam engine economics budgeted (the Fuhrmann priesthood's rebuild reality), and the RS60/61 family-identity precision (the successors' details pricing distinctly). Historic eligibility at the blue-riband tier (the type headlines where it appears) structures the runners' use; the collection-versus-competition tension resolves per chassis biography. Museum-tier diligence as the family demands.
Did you know
- K meant suspension: the RSK's designation coming from the revised front geometry's K-shaped arrangement — engineering nomenclature as model name.
- The F2 adventure ran centre-seat spyders against purpose-built single-seaters — and scored, the marque's open-wheel apprenticeship in sports-car clothes.
- The Targa's Sicilian dominance made the 718 the Madonie's own — the lineage's outright wins on the roads displacement never ruled.
In the marketplace now
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