FeaturesFits Mikuni carburetors HS40, HSR42/45/48, RS34-RS40 and TM33, TM 36 and TM40 with accelerator pumpMay fit other OE applicationsMade in JapanSpecs Features: For HSR Carburetors Head Diameter: 5.00 mm Riding Style: Street Type: Pilot Units: 4 Pack...