SKU: 151-4702 | UPC: 672036003401
ARP Cylinder Head Stud Kit for 1979-1980 Ford Pinto 2300cc 2.3L
This ARP Pro Series cylinder head stud kit upgrades engines in 1979-1980 Ford Pinto and Mercury Bobcat 2.3L models. Precision studs provide consistent clamping force to seal cylinder heads under high boost or RPM. Engine builders choose ARP for fatigue-resistant construction that handles competition demands.
Key Features
- 8740 Chrome Moly Material: Heat-treated to 190,000 PSI for strength that withstands extreme cylinder pressures
- Post-Heat-Treat Thread Rolling: Delivers 2000% higher fatigue strength compared to pre-heat-treat threading
- Centerless Ground: Ensures concentricity so heads and gaskets align perfectly without binding
- Undercut Stud Design: Equalizes stretch on shorter studs for uniform clamping and gasket compression resistance
- Black Oxide Finish: Provides corrosion resistance with ARP stamping for authenticity, made in USA
Product Notes
- ARP stamped on each stud confirms genuine quality trusted by racing engine builders
- Compatible with multi-layer steel or copper head gaskets for performance builds
- Box dimensions 6 x 6 x 2 inches for secure storage and shipping
Installation Notes
- Professional installation recommended.
- Torque to ARP specifications using ARP Ultra-Torque assembly lube for accurate clamping load
- Fits stock cylinder heads and blocks. reuse stock washers if undamaged
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1979-1980 | Ford | Pinto | 2.3L |
| 1979-1980 | Ford | Pinto | Base |
| 1979 | Ford | Pinto | Pony |
| 1979-1980 | Mercury | Bobcat | 2.3L |
| 1979-1980 | Mercury | Bobcat | Base |
Why Choose ARP?
- Professional engine builders rely on ARP for all-out competition engines
- Premium alloys and heat treatment outperform standard head fasteners
- Exact tolerances from centerless grinding and thread rolling ensure straight studs
Frequently Asked Questions
- Q: Which engines does ARP 151-4702 fit?
A: Designed for 1979-1980 Ford Pinto and Mercury Bobcat 2300cc 2.3L SOHC engines exclusively - Q: What material and finish are used?
A: 8740 chrome moly alloy with black oxide finish, heat-treated to 190,000 PSI - Q: What warranty applies and installation tips?
A: Limited warranty against manufacturing defects. clean threads, use ARP lube, torque in sequence to spec
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box 6 x 6 x 2 inches
- Weight: 1.85 lbs
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