4J Performance Parts | Product/service

4J Performance Parts

Phone: +61 410 841 371

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14.01.2022 Isuzu 4JJ1 and 4JH1 Billet crankshafts for performance builds. With minor changes can also fit 4JB1 engines. Billet 4340 Steel, Nitride Hardening, Steel shot peened. Square keyway. DPP Brand. $1950 + freight if required. Message or email for more information or to order.

13.01.2022 Mechanical Pump conversion kits available now. Convert the troublesome and expensive VP44 pump to a mechanical VE pump in your TF or RA Rodeo 3.0 4JH1. No more removal of engine, swapping of timing case and gears to convert to mechanical injection. $380 plus postage, message or email for more info or to order.

13.01.2022 More parts machined up just about ready to ship. 4JH1 Mechanical Pump Adaptors. Message for more info on these kits #4JH1 #mechanicalpumpconversion.

01.01.2022 ARP cylinder head stud kit to suit 4JB1, 4JH1 engines. To prevent head lifting and gasket failures when running high boost, high power out of these engines. These are also reusable unlike the factory torque to yield bolts. Kit includes 18 head studs, nuts (12point), washers, assembly lubricant and Torque instructions/procedure. Please note! head studs do require some minor machining to head to solve some clearance issues and provide maximum thread engagement in the block. Th...is work can be completed at most engine shops. I also offer this machining as a service. Head Stud Kit $430 $10 flat rate for postage within Australia. Message or Email for more info.