Amal 389 1 5/32" monobloc carb

Amal 389 1 5/32" monobloc carbThe monobloc carb was introduced in 1955 to solve the problems associated with separate floats. It was widely used on Triumph, BSA, Norton, and countless other bikes until the introduction of the concentric in 1967. The 389 series is the largest of the monobloc range. Amal is producing these new carbs on new tooling and the results are outstanding. These carbs are set up with a #3 slide, 330 main jet, #25 pilot jet, and a 106 needle jet. The bore size

They are the best available anywhere

This roller bearing has

If you are building a Triumph 650 pre unit or early unit twin or need to rebuild a head

or expensive- sometimes both

Piston ring material

ELIMINATE ONE VARIABLE

Simply insert ring ends into the wedge shaped jaws

The bodies are factory machined to allow close mounting on the stock manifold

A bent or worn needle can cause erratic performance

and is threaded to match the rotor stud and thread on to the drive side of the crankshaft

Enfield Interceptor) OR counter-clockwise rotation (Norton Commando 1969-75

This genuine Amal made in UK throttle is precision made and built to last