This HS4 rear carburettor service kit is tailored to the third carburettor on Austin Healey triple-carb models. It provides every gasket, seal, hose assembly and metering component needed to refurbish one rear HS4 carburettor, helping maintain even fuel distribution and responsive throttle control.
Key Benefits
- Restores precise air-fuel metering for consistent running
- Per-carburettor packaging ensures no parts are missing
- Comprehensive component set reduces rebuild time
- Helps sustain smooth acceleration under all conditions
- Designed for classic Healey maintenance and reliability
Kit Contents
- Inlet manifold gaskets
- Throttle body base gaskets
- Pump cover gaskets
- Feed hose assembly with adjustable fittings
- Metering jet seat
- Metering jet
- Star-lock washers
- Spring clip
- Flat washers
- Sealing ring
This is a list of alternate part numbers you can use to cross-reference for your Austin Healey
APP # BN7-BT7 (TRI-CARB)
AH # FUL156SR
OE # na
ALT #
Quantity per vehicle = 1
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