ARP Nissan KA24E (SOHC) 2.4L 4cyl Head Stud Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the Nissan KA24E (SOHC) 2.4L 4cyl Head Stud Kit for 1989-1990 Nissan 240SX. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.

Key Features

• ARP 8740 Alloy Steel: High-tensile strength withstands boost and high RPM without stretching.
• Stud Design: Distributes load evenly to minimize main cap distortion and block damage.
• Matched Washers: Hardened steel washers ensure even load distribution during install.
• Rolled Threads: Increases fatigue strength by 350% over cut threads for precise torque accuracy.
• Black Oxide Finish: Resists corrosion and simplifies lubrication application.
• Kit includes 10 head studs, 10 washers, and torque guidelines for KA24E.

Fitment

Specifications

What’s Included

One new ARP head stud & bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.

About ARP

Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.

Important Disclosures

• California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.

Related Parts

• Shop all ARP products
• ARP Nissan 2.4L KA24 Flywheel Bolt Kit
• ARP Nissan 2.4L KA24 Pressure Plate Bolt Kit
• ARP Nissan 2.4L KA24E/D 4cyl Main Stud Kit

Frequently Asked Questions

How do I confirm the Nissan KA24E (SOHC) 2.4L 4cyl Head Stud Kit fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.

Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP’s current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.

What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.

Installation Instructions

1. Confirm ARP part number 202-4307, the complete application, and every required supporting component before beginning work.
2. Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
3. Follow ARP’s current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
4. Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.