SKU: 203-4701 | UPC: 672036007638
ARP 1987-1992 Supra MK3 Undercut Head Stud Kit
ARP 203-4701 head stud kit provides high-strength fasteners for 1987-1992 Toyota Supra Turbo MK3 and 1983-1988 Toyota Cressida Luxury engines. Undercut stud design ensures even clamp load distribution to prevent head gasket failure under boost. Built with ARP2000 alloy for 220,000 psi tensile strength in street and race applications.
Key Features
- ARP2000 Alloy Construction: Forged from chrome-moly steel rated at 220,000 psi for extreme cylinder pressures in turbocharged 7M-GTE and 5M-GE engines
- Undercut Stud Design: Minimizes block thread distortion and delivers repeatable torque values for precise head clamping
- Precision-Rolled Threads: Increases thread strength by 25% over cut threads with deeper engagement into cylinder head and block
- Matched Hardware Kit: Includes 10 main studs, washers and 12-point nuts for complete bolt-on replacement without custom machining
- Versatile Application: Handles 20+ psi boost levels on street, drag strip or road course with consistent performance
Product Notes
- Inspect cylinder head and block decks for flatness before installation to achieve full gasket seal
- Re-torque studs after 500 miles or first heat cycle following ARP sequence for long-term reliability
- Shipped in protective foam-lined box to prevent thread damage during transit
Installation Notes
- Professional installation recommended.
- Apply ARP Ultra-Torque lubricant to threads and under nut faces per included instructions
- Torque to 75 ft-lbs in three steps using ARP-specified sequence for 7M-GTE or 5M-GE heads
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1983-1988 | Toyota | Cressida | Luxury |
| 1987-1992 | Toyota | Supra | Turbo |
Why Choose ARP?
- ARP fasteners power NHRA Top Fuel and Pro Stock teams with proven reliability under 5000+ hp
- Every kit undergoes magnetic particle inspection for zero defects before shipment
- Engineered in the USA with lifetime technical support from ARP experts
Frequently Asked Questions
- Q: Will this kit fit non-turbo Supra MK3 models?
A: Designed specifically for 1987-1992 Supra Turbo 7M-GTE and 1983-1988 Cressida Luxury 5M-GE. Verify engine code before purchase. - Q: What material are the studs made from?
A: ARP2000 alloy steel with heat treatment to 220,000 psi tensile strength and black oxide finish for corrosion resistance. - Q: Does ARP offer a warranty on this kit?
A: Yes, covered by ARP’s limited lifetime warranty against manufacturing defects when installed and torqued per instructions.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: 10 x 7 x 2 inch box with foam inserts
- Weight: 1.9 lbs
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