Store › NOS Girling SP 2501-3 Caliper Rebuild Set Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 NOS Girling SP 2501-3 Caliper Rebuild Set $10.00 New Old Stock. Fit Triumph TR4, TR4A, TR250, and Early TR6.SKU 2763 Add To Cart Added! New Old Stock. Fit Triumph TR4, TR4A, TR250, and Early TR6.SKU 2763