39 PICT Big Bore Carburettor Twin Port Kit

Brand new replacement silcone manifold boot for use on all aircooled Type 1 twin port engines.

This boot is also used on Type 25 or T3 buses fitted with 1600cc CT aircooled engines.

Quality: Good quality silicone, these last much longer than standard rubber. Ethanol resistant.

Quantity: Sold each, 2 required per engine

Measurements: 33mm ID x 40mm OD

Fitment: Requires 2 clips per boot, sold separately, see part numbers N0245074 for the small clip and 111501160C for the large clip.

Bundle Kit Available: See part number 113129729BSBK for both boots and all 4 clips.

Applications:

VW Beetle: 1971 – 1979

VW Baywindow Van: 1971 – 1979

VW Type 25 or T3: 1979 – 1983

VW Karmann Ghia: 1971 – 1974

VW Trekker: 1971 – 1983

VW Buggy + Baja: 1971 – 1979

Large outer clip that is used to hold the manifold boot onto the manifold on twin port engines.

Upgrade the performance of your aircooled VW with this high-flow EMPI Solex PICT centre section manifold. Designed to outflow factory manifolds by up to 12%, this is the ideal solution for replacing rusty, carbon-blocked or restrictive original units while gaining noticeable improvements in throttle response and usable horsepower.

What It Does & How It Works

The intake manifold distributes the air/fuel mixture from the carburettor to each cylinder head. On upright Type 1 engines, mixture quality is critical. Poor internal design or blocked heat risers can cause fuel drop-out, flat spots and uneven cylinder filling.

This EMPI performance centre section features optimised internal passages that:

• Increase intake gas flow

• Reduce turbulence and restriction

• Help smooth the reverse pressure wave created by intake valve pulses

The result is improved mixture atomisation, better cylinder balance and stronger mid-range performance — even when using a stock Solex carburettor.

Oversized removable pre-heat tubes ensure proper manifold heating, preventing carb icing and fuel condensation. They can be trimmed for standard engines or retained full length for stroker builds.

Features

• Compatible with 30, 31 and 34 PICT carburettors

• Fits early and late 6v and 12v Solex carbs

• Dual bolt pattern – wide or narrow flange

• Vacuum take-off port (plugged with 1/8″ NPT plug)

• Heat riser pipes included

• Gaskets included

• Removable oversized pre-heat tubes

• Suitable for stock or performance air cleaners

If using a 31 PICT carburettor, 11mm head nuts are required.
If a vacuum barb fitting is required, order part number BARB1814 separately.

Some minor fettling or modification may be required depending on application.

Fitment

For use on upright aircooled Type 1 dual port engines (1300cc and later) when used with dual port end castings (sold separately).

Volkswagen Applications:

• Volkswagen Beetle – 1971–1979 (1300–1600cc Twin Port)

• Volkswagen Type 2 Baywindow – 1971–1979 (1600cc Twin Port)

• Volkswagen Karmann Ghia – 1971–1974 (1600cc Twin Port)

• Volkswagen Beetle Cabriolet – 1971–1979

• Volkswagen Beetle Mexico – 1971–1979

• Volkswagen Beetle Brazil/Fusca – 1971–1979

• Volkswagen Beetle Australia – 1971–1976

• Volkswagen Type 2 Baywindow USA – 1971–1979

Suitable for 1300cc, 1500cc and 1600cc upright dual port engines.

Additional Parts You May Require

• Dual port end castings

• Manifold boots & clamps

• Carburettor base gasket

• 11mm manifold nuts (for 31 PICT)

• Vacuum barb fitting (BARB1814)

• Heat riser gaskets

• Intake manifold installation hardware kit

Slips right on to stock Solex carburetors to provide increased air flow and improved mileage.

Replaces stock oil bath air filters to reduce weight and “clean-up” your engine.

Chrome top and bottom with foam filter adds a custom look to your engine.

For use on all Solex single barrel VW carburetors.

Fitted with engine case breather tube.

Small inner clip that is used to hold the manifold boot onto the manifold on twin port engines.

Brass 8mm Nut (M8 x 1.25mm Thread Pitch, 11mm Head)

This high-quality brass 8mm nut is designed specifically for situations where standard 8×13 nuts are difficult to access or where a spanner cannot easily fit. With its smaller 11mm head, this nut is ideal for tight spaces, particularly around intake manifolds and exhaust systems on various Volkswagen models. The brass construction ensures durability and resistance to corrosion, making it a reliable choice for critical engine components.

High-Quality Construction:

Crafted from durable brass, this nut offers excellent resistance to rust and corrosion, ensuring long-lasting performance. The smaller 11mm head design allows for easier installation and removal in confined spaces, making it a practical solution for hard-to-reach areas.

Product Details:

• Material: Brass
• Thread Size: M8 x 1.25mm pitch
• Head Size: 11mm
• Quantity: Sold individually

Applications:

This brass nut is suitable for a wide range of Volkswagen vehicles, particularly for use on intake manifolds and exhaust systems:

• Volkswagen Beetle (1949 – 1979)
• Volkswagen Splitscreen Van (1950 – 1967)
• Volkswagen Baywindow Van (1968 – 1979)
• Volkswagen Type 25 or T3 (1979 – 1992)
• Volkswagen Karmann Ghia (1955 – 1974)
• Volkswagen Type 3 (1961 – 1973)
• Volkswagen Trekker (1968 – 1983)
• Volkswagen Buggy + Baja (1949 – 1979)

Why Choose Our Brass 8mm Nut?

• Ideal for Tight Spaces: The 11mm head size is perfect for areas where standard nuts are difficult to access.
• Corrosion Resistant: Brass material provides excellent resistance to rust and corrosion, ensuring long-lasting durability.
• Versatile Use: Suitable for a wide range of Volkswagen models, especially useful for intake manifold and exhaust applications.
• Easy Installation: The smaller head size allows for easier manipulation in confined spaces, making it a practical choice for many automotive applications.

Upgrade your vehicle`s hardware with this brass 8mm nut, designed to offer durability and ease of use in even the tightest spaces.

Big Bore 39 PICT carburettor for 1600cc and larger Type 1 twin port engines

Excellent value for money and a straight bolt on big bore upgrade carburettor, perfect for a mildly tuned street engine just to get a bit more oomph and torque, without the expense and maintenance of a twin carb kit.

We would recommend these for 1776cc – 1835cc engines.

Jet Sizes

Idle Jet – 55

Main Jet – 137

Air Corrector Jet – 70

Auxiliary Venturi – 28

Quality: Reproduction

Fitting: Straight bolt on to a standard 1600cc twin port manifold.

Fitment: 

• 1776cc-1835cc engines
• Smaller 37 PICT version also available for 1600cc – 1776cc engines, see part number 113129031KBB37

Applications:

VW Beetle: 1960 – 1979

VW Splitscreen Van: 1960 – 1967

VW Baywindow Van: 1968 – 1979

VW Karmann Ghia: 1960 – 1974

VW Trekker: 1968 – 1983

VW Buggy + Baja: 1960 – 1979