SEAT MOUNT LH 74-98 PORSCHE 911

The Sparco Seat Mount LH 74-98 Porsche 911 (model 600SB052L) is a left-hand driver-side seat adapter bracket engineered to integrate Sparco's 600 Series racing seats into classic Porsche 911 models manufactured between 1974 and 1998. This steel bracket serves as the critical structural interface between modern performance seating and the factory mounting points of earlier 911 chassis, enabling enthusiasts and restoration specialists to upgrade cockpit ergonomics without extensive chassis modification.

Constructed from heavy-duty steel with a black powder-coat finish, the adapter bracket provides corrosion resistance and durability in both road and track environments. The bracket's geometry is precisely designed to align Sparco's 600 Series seats with the original floor pan geometry of 1974–1998 911 models, maintaining proper fore-aft positioning, height, and lateral support. At 7.12 lbs, the bracket adds minimal unsprung weight while delivering the structural rigidity necessary for sustained high-performance driving. The black powder coating resists brake dust accumulation and extends service life in weather-exposed storage.

This left-hand mount is essential for drivers upgrading the driver's seat in classic Porsche 911 restoration and motorsport projects. Whether preparing a vintage 911 for vintage racing series, autocross, or daily-driven collector-car use, proper seat mounting ensures lateral support during cornering and maintains consistent seat positioning across the vehicle's lifespan. The adapter bracket is sold individually; left-hand (driver-side) and right-hand (passenger-side) brackets are separate purchases. Compatibility is specific to 1974–1998 Porsche 911 models and Sparco 600 Series seat specifications.