Performance ARP Head Stud Kit 4J series Engines Conrod *Gear Adaptor

*Gear Adaptor

Kit includes 18 head studs

4JJ1 Performance H-Beam Rods

Appearance and colours may vary due to different coatings and material changes

Performance ARP Head Stud Kit 4J series Engines Conrod *Gear AdaptorARP cylinder head stud kit to suit 4JB1, 4JH1, 4JG2, 4JA1 and some other 4J series 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 clearance