ARP Nissan 2.4L KA24DE 12pt. Head Stud Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the Nissan 2.4L KA24DE 12pt. Head Stud Kit for 1991-1993 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

• ARP2000 Alloy Construction: Forged steel studs rated 220,000 psi deliver consistent clamping force beyond stock bolts.
• Complete Kit: Includes studs washers hardened 12pt nuts and lube for direct bolt-on replacement.
• 12-Point Nuts: Secure grip reduces rotation during torque and resists loosening from vibration.
• Rolled Threads: Precision manufacturing ensures 100% thread engagement for accurate torque values every time.
• ARP2000 proprietary chromoly alloy with 220,000 psi tensile strength black oxide finish for corrosion resistance.
• Precision CNC machining and heat treatment for exact fit and strength.

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 2.4L KA24DE 12pt. 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 202-4304, 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.