I bought my DHC when it was 6 years old and I don't remember seeing these.
When Grinnal restored the bodywork all the removed misc parts were replaced from a pool of other 7's bits. I got someone else's rough air scoop and I never saw these seals either.
Adam
TR7 V8 DHC Jaguar Solent Blue. 9.35cr Range Rover V8, Holley 390cfm, JWR Dual Port, 214 Cam, Lumention, Tubular Manifolds, S/S Single Pipe Exh, 3.08 Rear, 200lb Spax & PolyBushes all round, Anti- Dive, Top Roller Bearings, Capri Vented Discs & Calipers, Braided Hoses, 4 Speed Rear Cylinders, Uprated Master Cylinder & Servo, AT 5 Spokes and Cruise Lights. S/S Heater Pipes. No Door Stickers. Mine since July 1986, V8 from 1991