Brand: Tillett Racing Seats
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The Tillett B6 Screamer is a premium FIA 8855-1999 homologated auto racing seat. The GRP (Glass Reinforced Plastic) shell is contoured to leave the shoulders free for unhindered steering, and the flat headrest makes it easier to get in and out.
Like all Tillett auto racing seats, the B6 Screamer draws on extensive experience in karting, where the seat is a working part of the suspension and must be a perfect fit to the driver. While other brands start with a rectangular shell and fill it with padding to fit the driver, the shell of the B6 Screamer is contoured to fit the driver without any excess padding. This allows more contact for better control, while also allowing the driver to sit lower than most other brands.
The B6 Screamer is already very narrow at just 44cm (47cm for XL) at the widest part of the rolled lip edge, but for the most cramped cockpits Tillett also offers an "Edges Off" option which shaves a full 4cm from the width. Note that this option makes the seat a little less forgiving when getting in and out. The rolled edge also contributes some fatigue resistance, so the "Edges On" version should be chosen if at all possible.
Five harness slots allow the use of 5- or 6-point racing harnesses. The 60° (from horizontal) seatback angle and 5° (from vertical) headrest angle are tailored for comfort when using a Model 30 HANS Device. The fiberglass composite shell has gloss black gelcoat inside and out, with a synthetic suede headrest pad. Weighs just 5.8 to 6.1kg (12.1 to 13.4 lb), depending on size and edge options. Designed and manufactured in the UK.
| Tillett B6 Screamer GRP Seat Dimensions |
| Dimension | Standard | XL |
| Edges On | Edges Off | Edges On | Edges Off |
| External Width at Hips | 44cm / 17.32" | 40cm / 15.75" | 47cm / 18.5" | 43cm / 16.93" |
| External Width at Shoulders | 43cm / 16.93" | 45.5cm / 17.91" |
| Internal Width at Waist | 34cm / 13.39" | 37cm / 14.57" |
| Width Between Mounts | 36cm / 14.17" | 39cm / 15.35" |
| Depth, Mounting Points to Bottom of Bucket | 42mm / 1.65" | 38mm / 1.5" |
| Overall Length, Front Edge to Headrest | 69.5cm / 27.36" |
| Diagonal Height, front edge to headrest | 100cm / 39.37" |
| Height of Front Edge (from bucket bottom) | 10cm / 3.94" |
| Overall Height | 81cm / 31.9" |
| Height to Shoulders | 54cm / 21.26" |
| FIA 8855-1999 Homologation No. | CS.475.21 | CS.476.21 | CS.477.21 | CS.478.21 |
Note: The seat sides are angled (not vertical), so the use of matching Tillett mounting brackets (sold separately) is critical to avoid overstressing the shell:
Tillett STBI, Inward-Facing Aluminum Mounting Bracket Set (Part No. TIL-STBI)
Tillett STBO, Outward-Facing Aluminum Mounting Bracket Set (Part No. TIL-STBO)
