FIR Jet 450 Brass Mikuni4/042, 07-145

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Brass Main Jet MIKUNI 4/042 [Sold Each] 6mm HEX, VM TM TMX Carb 450 - 500 Mikuni VM carburetors Mikuni TM carburetors Mikuni TMX carburetors FIR [FACTORY IMAGE RACING] Fit Mikuni c arburetors VM18 (clamp on), VM24-512, VM26-512, VM26-606, TMX Series and others that originally came with 4/042 main jets. Also fit several OE applications; check dimensions before ordering. OVERALL LENGTH = 11.5mm THREAD DIAMETER = 5.2mm THREAD PITCH = 5.25 x 0.9 Show more