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6418 Dual Weber 48 IDA Kit - Type-1

Dual Weber 48 IDA Kit Type 1
 
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Product Code: 6418


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Description Technical Specs Technical Notes
 
The Winner’s Choice! Few parts spark as much excitement for serious engine builders as a pair of Genuine Weber 48 IDAs from Spain. Synonymous with legendary racing heritage, the 48 IDA remains the largest factory-produced Weber dual-throat carburetor, offering unmatched flow capacity in stock form. (Larger 52mm versions do exist but only as aftermarket-modified carburetors.)

Designed for big-displacement, high-performance engines, the 48 IDA delivers explosive throttle response and maximum horsepower potential. If you really want to burn up the track, a set of 48 IDA Webers should be at the top of your shopping list.

See complete list of kit components below.

Key Features:
  • GENUINE Weber IDA Carburetors – Manufactured in Spain – No cheap knockoffs here. Unmatched quality and racing pedigree – trusted by VW enthusiasts worldwide.
  • CBP Big Beef™ IDA Manifolds – Cast and machined in the USA, featuring a true 48mm port opening with a gradual taper for maximum airflow velocity and mixture atomization.
  • Precision Cross-Bar Linkage – Robust assembly mounts directly to each carburetor top for exact throttle synchronization and dependable control.
  • Application Options – Kits available for Type-1 Dual Port engines, Type-4 engines, and 914 Porsche applications.

Note: Air filters are not included with this kit.
Features
  • (1pr) 6406 48mm Genuine Weber IDA Carbs (Spain)
    (1pr) 3155 IDA Big Beef Manifolds (USA)
    (2) 2720 Intake Gaskets
    (4) 3335 8x11 Nuts (for Manifold Base)
    (4) 3331 8mm Wavy Washers (for Manifold Base)
    (4) 2701 IDA Base Gaskets
    (1) 3118 8x8x8 Manifold Stud Kit
    (1) NPN L.S. IDA Linkage Base (USA)
    (1) NPN R.S. IDA Linkage Base (USA)
    (6) NPN IDA Base Bolts - Allen Head
    (2) 3360 Swivel Balls
    (2) 3371 8x13 Jam Nuts
    (1) 3353 21-3/4” Crossbar (USA)
    (2) 3364 Crossbar Centering Springs
    (2) 3400 Alum. Linkage Arms (USA)
    (1) 3403 Alum. Throttle Cable Arm (USA)
    (1) 3322 Throttle Barrel Clamp
    (2) 3406 DRLA Linkage Arms
    (2) 3348 L.H. Heim Joints
    (2) 3347 R.H. Heim Joints
    (1) 3395 1-1/8" Heim Joint Extension
    (1) 7221 6x10 Lock Nut
    (2) 3391 3-1/2" Threaded Rods
    (2) 3398 L.H. Jam Nuts
    (2) 3397 R.H. Jam Nuts
    (3) 3399 10x32 Lock Nuts
    (4) 6384 IDA Velocity Stacks

Accessory Parts
Billet IDA Velocity Stacks (1 pair) 3 3/16'' (specify color) 6460 True Position IDA/IDF Linkage Arms 6537 Carburetor Flow Meter w/ Adapters 4850 Throttle Cable - Type-1 1961-1966 (111 721 555 C)
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Billet IDA Velocity Stacks (1 pair) 3 3/16'' (specify color) True Position IDA/IDF Linkage Arms Carburetor Flow Meter Throttle Cable - Type-1
Genuine Weber T-Shirt - Dark Heather Grey (specify size) RL14325 Throttle Cable Guide Roller for Crossbar Throttle Linkage 6372 Velocity Stack Filters - IDA Billet (1 pair) 3184 See Through Fuel Filters
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Genuine Weber T-Shirt - Dark Heather Grey (specify size) Cagero Throttle Cable Guide Roller Velocity Stack Filters - IDA Billet See Through Fuel Filters

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