Austin Healey Head Gasket Set - UK Made | BN4-BJ8

Complete upper-engine gasket set for BN4.48863-BJ8 models

This cylinder head gasket set fits Austin Healey six-cylinder Big Healey models from BN4 chassis 48863 through BJ8 and includes the UK-made cylinder head gasket.

Designed for top-end engine rebuild and repair work, the set provides the upper-engine sealing components commonly required when removing or refitting the cylinder head.

What makes this set the correct choice?

• Includes the UK-made cylinder head gasket.
• Suitable for Austin Healey six-cylinder BN4.48863-BJ8 applications.
• Useful when renewing multiple upper-engine gaskets during cylinder head work.
• Avoids sourcing the head gasket separately.
• Suitable for standard road-going six-cylinder engine applications.
• Not suitable for early BN4 two-port-head cars up to chassis 48862.

Will this fit my Austin Healey?

This gasket set fits Austin Healey six-cylinder Big Healey models from BN4 chassis 48863 through BJ8.

• Austin Healey BN4 from chassis 48863
• Austin Healey BN6
• Austin Healey BN7
• Austin Healey BT7
• Austin Healey BJ7
• Austin Healey BJ8

Not suitable for early BN4 two-port-head models up to chassis 48862.

Not suitable for BN1 or BN2 four-cylinder models.

For early BN4 applications, see the appropriate early BN4 gasket set. For modified or competition engine builds using a multi-layer steel gasket, use the separate gasket set supplied without a head gasket together with the MLS competition gasket.

What is included?

• Upper-engine gasket set
• UK-made cylinder head gasket

Bottom-end gaskets, studs, nuts, sealants and engine hardware are not included.

Technical details

• Application: Austin Healey six-cylinder engines
• Fitment range: BN4 chassis 48863-BJ8
• Includes UK-made cylinder head gasket
• Produced for original-style six-cylinder engine applications
• Not intended for early BN4 two-port-head engines

Installation notes

All gasket surfaces should be thoroughly cleaned and inspected before assembly. Cylinder head, manifold and threaded fasteners should be checked before refitting.

• Use the correct workshop manual torque sequence and specifications.
• A calibrated torque wrench is required.
• Inspect studs, nuts and threaded holes before installation.
• Check cylinder head and block faces for distortion or corrosion before assembly.
• Renew coolant and engine oil where required after reassembly.

Choosing the correct gasket set

This version includes the UK-made original-style cylinder head gasket for standard six-cylinder engine applications. Owners using modified or competition engines may prefer the separate MLS multi-layer steel gasket depending on engine specification.