Replace your stock head bolts with ARP heavy duty head studs. The stud design helps the head and the block equalize the pressure better thereby creating a much more even and consistent seal. It is recommended to replace the head studs/bolts with a new set if the head bolts are ever loosened due to metal fatique. Reusing an old and possibly warped or stretched head bolts/studs will sacrifice the seal between the head and block and may cause head gasket leak. This is a great an easy upgrade when doing an engine rebuild or building a race motor.
This kit comes with: studs, washers, nuts, and assembly lube.
This kit is originally designed for the Saturn Engine, but tuners have used it for years on their KA24DE. ARP has now released a KA24DE (202-4304) specific kit, the only difference being the increase in strength of the studs.
This kit uses ARP 8740 Studs which are rated at 200,000 psi.
Vehicle Applications| Year | Make | Model | Trim | App Notes |
| 1995 - 1998 | Nissan | 240SX | (S14) L4 2.4L KA24DE | None |
| 1991 - 1994 | Nissan | 240SX | (S13) L4 2.4L KA24DE | None |
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