For sale are new Amal pre-Monobloc main jets. All Amal main jets are 100% authentic and are made by the Amal factory in the UK. Our Amal main jets are suited for all Amal pre-Monobloc carburetors (275, 276, 289, 29, 75, etc) as fitted to most vintage Triumph, BSA, Norton, Matchless and AJS motorcycles up to approx 1953. Please refer to your parts catalog for proper fitment.
Use the drop down menu to select which size main jet you desire.
- Made in England
- Mains jets fit Amal Pre-Monobloc carbs
- Replaces Amal part number 4/042
- Free shipping in the USA