Valve Spring Collet Extractor / Installer by Bikeservice Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $45.00 SKU APO-BS9828 Ø18mm x Ø9mm - $45.00 Ø14mm x Ø7mm, hollow Ø5mm - $39.00 Ø18mm x Ø9mm Ø14mm x Ø7mm, hollow Ø5mm Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Compressing valve springs to remove or install split collets on 4 stroke engines. Suits most 4 stroke motorcycle engines.