Dell Orto PHM black plastic/alloy bellmouth trumpets - air velocity stacks

Dell Orto PHM black plastic/alloy bellmouth trumpets - air velocity stacks

Dell Orto PHM black plastic/alloy bellmouth trumpets - air velocity stacks

Pair of ABS black plastic/alloy gauze mesh air velocity stacks/bellmouth trumpets, specifically designed to fit the Dell Orto PHM Series carburettors, such as the PHM38 (commonly found on the BMW R90S), PHM40 and PHM41

Featuring the correct M52 threads (52 x 1.25mm) for a direct and perfect fit on these PHM "pumper" Dell Orto carburettors.

Total length is circa 70mm, maximum diameter (gauze mesh area) is circa 75mm.

Outstanding build quality and finish, dazzling looks and a must for race developed engines. 

We also have available for sale the alternative trumpets made of aluminium alloy, please see our other listings.

Sold as a pair.

IMPORTANT: 

1 - Please note that carburation/ignition tuning may be required 

2 - Air filtration will be reduced in comparison to K&N and original paper replacement air filters thus possibly accelerating engine wear.

3 - Will NOT fit other carburettors such as the Bing CV (Constant Vacuum) fitted to R75, R80, R90, R100, Monolevers, Paralevers etc.