Racetech RT4009 Fiberglass Racing Seat

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A classically styled seat built around an FIA homologated fiberglass shell.


The classically styled Racetech RT-4009 Competition seat is built around a Hans-Device compatible FIA homologated fiberglass shell that is coated with a durable gel coat finish. The fire retardant fabric incorporates suede wear patches at the shoulders. Removable back and bottom cushions allow easy padding customization.

Technical Information

Rating: FIA 8855-1999
Shell: Fiberglass Composite
Weight (lbs): 24.3 (Shell only, 18.7)
Mounting: Side
Part Number: RT4000 BLK
Manufacturer: RT4000

• Side Mounting - Use Racetech RTB1009M Side-Mount Brackets
• Suede wear patches protect high wear points at shoulders.
• Fiberglass shell construction with a black gel coat gloss finish.
• Adjustable or removable cushions from mid back to lower thigh.
• Suitable for road cars or competition use.


Racetech Seat Sizing Diagram

A: External width at shoulders
B: Height from base to shoulder wings
C: Internal width at hips
D: External width across thigh bolsters
E: Base length (Front-to-Back)
F: Height (Top-to-Bottom)
G: Height from base to harness guide bottom
M: Mounting width at side mount

Note: All measurements are in millimeters. Measurements are based on the seat shell, and do not take into account padding thickness.

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Racetech RT4009 Fiberglass Racing Seat

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Availability: In stock