The Tillett B4 is a lightweight seat designed to fit in very narrow cockpits yet still accommodate most drivers. Ideal for sports prototypes or formula cars The B4 seat shape has been designed to provide a reclined racing position for the driver offering superb levels of support and comfort while the rigid twin skin design provides excellent chassis feedback to the driver.Designed to fit into very narrow cockpits such as sports prototype or formula carsFHR / HANS Compatible. A 30° device is recommended to suit the recline angle of the seatLightweight GRP or lightweight and super strong Carbon/GRP construction (from just 4.9kg)Provides a comfortable seating positionBody mirroring shell shape provides high levels of comfort and provides maximum chassis feedback to the driverSuitable for most driver shapes / sizes. Recommended for drivers up to 100kg with a 36" (91.4cm) waistThe Tillett B3.5 seat is designed and manufactured in the UK from a choice of either GRP or Carbon/GRP composite. T