A  Genuine SU HS6 Carburettor Dashpot Piston & Spring 

Used

Triumph TR7 circa 1974 - 77 ( twin HS6 carbs )

Free moving & smooth

Spring loaded bias needle type . Code BDM ( correct for TR7,  1974 -77 ) 

AUC 1332 ( Piston part number )

In used condition with some marks , tarnishing dirt & scratches to the metal

Actual items pictured - please zoom in .

ZR9