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Austin Healey Rear Suspension Polybush Kit – Performance

Big Healey
Part no:
SUR181
Product name:
Austin Healey Rear Suspension Polybush Kit – Performance
Additional information:
Description:

What is this rear suspension polybush kit?

This performance-grade polyurethane bush kit is designed to service the rear suspension on Austin Healey models from BN1 to early BJ8. It provides a firmer polyurethane alternative to the standard OE-style bush assemblies used throughout the rear suspension for this chassis range.

The performance specification is intended for owners who want reduced compliance and more controlled rear suspension location during spirited road driving.

Key benefits

  • Reduced compliance compared with OE-style bush assemblies
  • More consistent rear suspension location under load
  • Resistant to oil, fuel, and general road contamination
  • Maintains shape under repeated suspension movement
  • One kit covers a complete rear suspension bush refresh for the stated chassis range

Will this fit my Austin Healey?

Yes, if your car is BN1 to early BJ8 (up to chassis BJ8.26704). This kit is matched to the rear suspension layout used on those cars.

Fits:

  • BN1 to early BJ8 (up to chassis BJ8.26704)

Does not fit:

  • Late BJ8 models from chassis BJ8.26705 onward (different rear suspension layout)

Before ordering:

  • Confirm the chassis number if the car is a BJ8 close to the change point
  • Check the car still uses the original-type rear suspension arrangement (not modified)

What’s included in the kit?

  • Performance-grade polyurethane bushes for the rear suspension components applicable to BN1 to early BJ8
  • Correct quantities to service one complete rear suspension

Technical details

  • Material: Polyurethane (performance compound)
  • Colour: Red
  • Application: Rear suspension (BN1 to early BJ8 layout)
  • Resistance: Oil, fuel, and road contamination
  • Compliance: Reduced compared with touring and OE-style bush assemblies

Installation & setup notes

Installation typically involves removing rear suspension components and pressing out existing bush assemblies.

  • Press or suitable bush tools required
  • Inspect pins, shackle plates, brackets, and mounting holes for wear or distortion before refitting
  • Light lubrication helps during assembly (avoid excess on external faces)
  • Final tightening should be carried out at normal ride height to avoid pre-loading the bushes

Limitation: the firmer compound may transmit more road and driveline feel than the touring specification. This is normal for reduced-compliance bushes.

Why choose the performance specification?

The performance compound suits owners who want a polyurethane alternative with reduced compliance for more consistent rear suspension location during enthusiastic road driving.

FAQs

How do I know if I have early or late BJ8 rear suspension?

Use the chassis number. This kit fits up to BJ8.26704. From BJ8.26705 onward, the rear suspension layout changes and requires the late BJ8 kit.

Is this stiffer than the touring kit?

Yes. The performance compound has reduced compliance compared with the touring specification.

Does this kit replace every rear suspension bush?

It includes the polyurethane bushes required to service the rear suspension for the BN1 to early BJ8 layout. If the car has modified suspension components, bush requirements may differ.

What checks should be done during fitting?

Inspect suspension pins and mounting points for wear. Worn pins or elongated holes can cause movement that new bushes alone will not correct.

PERFORMANCE RED

Application:
BN1 - BJ8.26704
Quantity per vehicle:
1
Items Per Pack:
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Your Price:
£65.10 Exc VAT
£78.12 Inc VAT
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