H4 Type Carburettor Service Kit for Austin Healey 100 BN1-BN2 & MK1 Sprite

This service kit is engineered for H4 & H1 type carburettors used on the Austin Healey 100 BN1, BN2, 100/6 early BN4 and Sprite MK1 models. It supplies all the gaskets, seals, needle and valve components required to overhaul one twin-choke carburettor, helping preserve fuel metering accuracy and smooth throttle response.

Kit Contents

• High-grade cork and paper gaskets
• Rubber seals and O-rings
• Brass needle and valve assemblies
• Copper and fibre washers
• Bespoke jet seats

Key Benefits

• Restores precise fuel flow for consistent engine performance
• Pre-matched components minimise tuning time
• Per-carburettor packaging ensures you have exactly what’s needed
• Durable materials designed for classic Healey restoration
• Helps maintain correct air-fuel mixture under all conditions

Compatibility

Specifically suits H4 carburettors fitted to Austin Healey 100 models (BN1 & BN2).