SKU: 600SB052L
Sparco Base Porsche 911 1974-1998 Left Seat Mount 600SB052L
The Sparco Base Porsche 911 74-98 Lft (MPN 600SB052L) is a vehicle-specific seat mounting base for the left driver side, engineered for Porsche 911 models 1974-1998, plus select 944 and 968. This steel base provides a secure foundation for Sparco racing seats, offering exact fitment and better driver control on road or track. It bolts directly to factory floor pans for easy installation without alterations.
Key Features
- Steel Construction: Heavy-duty tubular steel welded frame handles high G-forces and everyday driving for reliable strength
- Left-Side Specific Design: Custom shape follows Porsche 911 chassis for a tight driver-side fit
- Universal Sparco Seat Compatibility: Works with all Sparco fixed-back and reclining seats using standard side mounts for easy changes
- Powder-Coated Finish: Black coating fights corrosion and keeps a sharp look under the seat
- Pre-Drilled Mounting Holes: Matches OEM floor patterns exactly on 911, 944, 968 for straightforward setup
Product Notes
- Intended for use with Sparco racing seats only. verify seat bottom dimensions before purchase
- Clean with mild soap and water. avoid harsh chemicals to preserve powder coat
- Ships via UPS Ground in protective foam-lined box measuring 24 x 16 x 8 inches
Installation Notes
- Professional installation recommended.
- Remove factory seat and track. torque base bolts to 35-40 ft-lbs using OEM hardware
- Compatible with factory or aftermarket seat belts. side impact bars may require trimming
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1974-1977 | Porsche | 911 | S |
| 1978-1979 | Porsche | 911 | SC |
| 1994 | Porsche | 911 | Speedster |
| 1996-1998 | Porsche | 911 | Targa |
| 1996-1997 | Porsche | 911 | Turbo |
| 1993-1994 | Porsche | 911 | Turbo 3.6 |
| 1976-1977 | Porsche | 911 | Turbo Carrera |
| 1983-1989 | Porsche | 944 | Base |
| 1974 | Porsche | 911 | Base |
| 1974-1975 | Porsche | 911 | Carrera |
| 1995-1998 | Porsche | 911 | Carrera |
| 1993-1994 | Porsche | 911 | Carrera 2 |
| 1993-1998 | Porsche | 911 | Carrera 4 |
| 1996-1998 | Porsche | 911 | Carrera 4S |
| 1998 | Porsche | 911 | Carrera S |
| 1993-1994 | Porsche | 911 | RS America |
| 1987-1988 | Porsche | 944 | S |
| 1989-1991 | Porsche | 944 | S2 |
| 1986-1989 | Porsche | 944 | Turbo |
| 1992-1995 | Porsche | 968 | Base |
Why Choose Sparco?
- Trusted by professional racers since 1957 with FIA-approved components
- Engineered in Italy for precision fit on Porsche chassis
- Backed by rigorous testing for safety and performance in motorsport
Frequently Asked Questions
- Q: Will this base fit 1989-1994 Porsche 911 Carrera 2/4 models?
A: Yes, it mounts directly to floor pans on 964 chassis Carrera 2, Carrera 4, RS America, and Turbo variants from 1989-1994 - Q: What material is the base made from?
A: High-strength steel tubing with MIG welds and black powder coat for rust protection and structural integrity - Q: Does installation require custom fabrication?
A: No, uses factory bolt locations. includes necessary spacers for proper seat height alignment
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Sturdy cardboard box 24 x 16 x 8 inches with foam inserts
- Weight: 8 lbs (shipped)





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