CODE DRLA SNOR Idle Air Inlet Hole SNORKEL Tubes Dellorto DRLA Carburettors Brass - 2 Pack Price As Listed This Listing Is For A Pair (2) Of Brass Idle Air Inlet Hole SNORKEL Tubes To Fit Dellorto DRLA Carburettors.  Each Kit Fits Out A Single Carb. Fits DRLA 36, 40, 45 & 48 Carburettors. Made In Brass To Our Own Drawing. This Is The Old School Race Tuners Way Of Helping Prevent Blocked Idle Jet Circuits Due To Dirt Ingress.  The Standard Idle Air Inlet Port On DRLA Carburettors Is Flush Fit With The Body Of The Carb - Right In The Low Spot Where Any Dirt That Gets In Past The Air Cleaner Can Settle. This Helps Alleviate The Problem By Raising The Idle Air Port By 30mm: Almost To The Same Level As The Air Adjuster Port On The Main Jet Stack. This Is The Pro Solution To The Problem.  Just Like Our Air Cleaners And Spacer Plates. We Have A Tool Kit For Pulling Out The Old Air Inlet Bushing (Click Here) These Are A Tight Fit - But Do Tap In Nicely : You May Find It Best To Freeze The Brass Prior To Installation. These Parts Are BRITISH MADE - We Are Proud To Support British Manufacturers.! WE SHIP TO EUROPE, USA & CANADA, AUSTRALIA, NEW ZEALAND, JAPAN etc. (enquire for current postage rates to YOUR destination) ALL PARTS ARE SHIPPED FROM THE UNITED KINGDOM (UK) Please Allow Royal Mail / USPS / Your National Delivery Company Time To Deliver We Will Use Signed-For Postage On All U.K. Orders For Larger Orders In Excess Of 2 Kg We Use UPS Or FedEx