View basket “Compression Screw” has been added to your basket. Standard Needle Value Assembly£22.00 17 in stock - Standard Needle Value Assembly quantity + Add to basket Category: Spares Related products Compression Screw £12.00 Add to basket Piston Liner Assembly £85.00 Select options Exhaust Collector Ring £32.00 Select options Cylinder Head Screws (set of 4) £18.50 Select options