Common Rail Cowboys
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HPD 4JJ1 Boost Gauge Adapter
HPD Boost Gauge Adapter for 4JJ1 Engine - Made by HPD Special Parts in Thailand.
No need to take your ride to the shop, just get this awesome kit to hook up a boost gauge yourself.
Add some HPD bling to your Engine bay and enjoy the peace-of-mind of being able to monitor your 4JJ1's boost levels by installing a boost gauge!
This HPD 4JJ1 Boost Gauge Adapter Includes a new O-ring and Stainless Bolts for a snazzy, secure fit.
Plenty of HPD's Anodised Colors to choose from!
Holden Colorado RC
Isuzu Dmax 2006 - 2020
Isuzu Mux 2012 - 2020
Afterpay, Humm, Klarna and Zip Available
Free Express Shipping Australia Wide
Please Note: From time to time, some colour combinations may be out of stock, we will contact you to let you know, and offer you a substitution, or we will get your colour combination in for you 🤙