ARP Toyota Supra 2JZA80 Under Cut Head Stud Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the Toyota Supra 2JZA80 Under Cut Head Stud Kit for 1993-1998 Toyota Supra. 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 rated at 220,000 PSI tensile strength exceeds factory limits to resist high cylinder pressures in boosted setups.
• Complete Kit Contents: Ten M11 x 151mm studs six M11 x 190mm studs chrome moly steel washers and 12-point nuts cover full head assembly needs.
• Undercut Stud Design: Promotes even stretch along stud length for balanced load distribution and fatigue resistance in 2JZ-GTE turbo engines.
• High-Horsepower Capability: Handles 2JZ engine builds exceeding 1000 HP when torqued to ARP specs with proper head preparation.
• Black Oxide Finish: Prevents corrosion while ensuring accurate thread engagement for straightforward installation.
• Compatible with OEM head gaskets and aftermarket MLS gaskets.

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 87-92 Supra MK3 Under Cut Head Stud Kit
• ARP 93-98 Supra/01-05 IS300 2JZGE Head Stud Kit
• ARP Supra 7MGTE 3SGTE Head Stud Kit

Frequently Asked Questions

How do I confirm the Toyota Supra 2JZA80 Under Cut 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 203-4702, 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.