Common Rail Cowboys
HPD 4JJ1 Rocker Cover
HPD 4JJ1 Rocker Cover
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HPD 4JJ1 Rocker Cover β Thai Import
β Aluminium Construction | β Thermal Crack Resistant | β Free Express Shipping Australia-Wide
Built tough for Aussie conditions, this HPD Special Parts 4JJ1 Rocker Cover is made from high-grade aluminium for improved durability and resistance to heat fatigue. Whether you're upgrading from plastic or chasing more reliability in high-performance builds, this rocker cover gets it done right.
π οΈ Suits:
- Isuzu 4JJ1 Euro 2 & Euro 3 (3-bolt front pattern)
Note: Not compatible with injector covers β these are shaved rocker covers for performance applications.
π Injector and Rocker Cover Fitting Kits Available Here
π₯ Why Upgrade?
- Aluminium Construction β Wonβt crack like factory plastic covers
- Clean Performance Look β Built to match high-end engine bays
- Designed for Reliability β Handles heat and pressure with ease
π« What's Not Included:
Both available separately.
π³ Buy Now, Pay Later
Afterpay, Humm, Klarna and Zip available at checkout.
π Free Express Shipping Australia-Wide
Dispatched fast from our Aussie warehouse β no BS, just quick shipping - (sometimes 2-4 week wait depending on stock availability.






