CUP – VALVE SPRING LOWER CUP / SEAT – BSA B31 B33 M33* By $15.03 SEAT* Out of stock SKU: 65-1519 Category: Uncategorized Related products CLIP – FINNED CLIP 1-5/8* – CAUTION: DO NOT OVER-TIGHTEN! $45.75 Add to cart SET–VALVE SPRINGS – NORTON TWIN – HIGH PRFORMANCE MULTIRATE* $52.10 Read more PLATE – REAR NUMBER PLATE – BIG 4 ETC* $165.19 Read more LINK – REAR LIGHT SWITCH LINK – REPRO* $17.95 Read more