Store › NOS Lucas No. 54578033 (L799) Lens Assembly Triumph TR4, TR4A, TR5, TR250. Image 1 of 13 Image 2 of 13 Image 3 of 13 Image 4 of 13 Image 5 of 13 Image 6 of 13 Image 7 of 13 Image 8 of 13 Image 9 of 13 Image 10 of 13 Image 11 of 13 Image 12 of 13 Image 13 of 13 NOS Lucas No. 54578033 (L799) Lens Assembly Triumph TR4, TR4A, TR5, TR250. $185.00 New old stock in box. Triumph TR4, TR4A, TR5, TR250. RARE WITH AMBER Add To Cart Added! New old stock in box. Triumph TR4, TR4A, TR5, TR250. RARE WITH AMBER