ARP Toyota 1.8L 4-cylinder Head Stud Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the Toyota 1.8L 4-cylinder Head Stud Kit for 2000-2005 Toyota Celica. 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

• Genuine ARP Fasteners: High-tensile ARP2000 alloy studs rated at 220,000 psi yield strength for secure cylinder head retention.
• Matched Hardware: Includes washers, 12-point nuts, and lube packet for complete out-of-box assembly.
• Stud Design: Parallel threads reduce distortion and block damage while ensuring accurate torque values every time.
• Store in dry conditions to prevent corrosion on high-strength steel.
• Yes, ARP 203-4703 bolts directly to 1ZZ-FE blocks in all listed models, supporting up to 600 hp safely.
• ARP2000 proprietary alloy with 260,000 psi tensile strength, black oxide finish for corrosion resistance.

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 Toyota 2ZZGE 1.8L Head Stud Kit
• ARP Toyota 1.8L 2ZZGE Flywheel Bolt Kit
• ARP Toyota 2ZZGE DOHC 1.8L 4cyl Main Stud Kit

Frequently Asked Questions

How do I confirm the Toyota 1.8L 4-cylinder 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 203-4703, 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.