Cylinder Head for Toyota Corolla: Chromed Steel
This cylinder head for the Toyota Corolla is specified around chromed steel, which decides how it behaves in service far more than the part name does. We build to a written specification — base material, dimensions, finish and packing — and hold that specification on file so every reorder reproduces the approved piece.
The usual reason a programme changes supplier is not unit price. It is packing that arrived crushed at the port, or premature wear on the first batch. Both are specification problems, and both are preventable.

Specification
| Product | Cylinder Head |
|---|---|
| Vehicle application | Toyota Corolla |
| Material / finish | Chromed Steel |
| Typical use | Rental Fleets |
| MOQ | 3,000 pieces per specification |
| Sampling | 14 working days, 5 days per revision |
| Bulk lead time | 15-55 days after approval |
| Compliance | CCC |
| Packing | 100 pieces per inner box, 500 per carton |
Material options
- Natural Rubber — specified where the part sits close to a heat source
- Sintered Metal — the cost-effective default for volume programmes
- Carbon Steel — the cost-effective default for volume programmes
- Aluminium Alloy — chosen where wear resistance comes first
- Polypropylene — used when the finish has to hold a coating

Processes available
- gravity casting
- laser cutting
- injection moulding
- powder coating
- heat treatment
- shot blasting
Fitment notes
Keep the old part until the new one is on the bench. Comparing them side by side settles questions a photograph never will.
Where it is used
The specification above is the one most often ordered for rental fleets. Related applications include weekend riding, long-distance touring, urban courier work, wet weather riding, security patrols.
Quality and packing
- In-line inspection with AQL 1.5 sampling on every lot.
- Dimensional report issued against the approved drawing.
- Carton marking and barcode to your specification.
- Golden sample retained at the factory as the reorder reference.
Questions buyers ask
What happens if a lot fails inspection?
The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.
What is the minimum order quantity?
The standard MOQ is 3000 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.
Can you match an existing sample?
Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.
What testing is included?
Standard lots ship with dimensional and hardness reports. CCC documentation is issued with the shipment when your market requires it.
Send the specification you are working to and we will confirm what we can match, what we would change and why.







