SKU: 151-4201 | UPC: 672036003371
ARP Cylinder Head Stud Kit for 1971-1980 Ford Pinto and 1975-1980 Mercury Bobcat 2.0L
This ARP Pro Series cylinder head stud kit (SKU 151-4201) delivers precise clamping force for Ford Pinto and Mercury Bobcat 2.0L engines. It replaces stock bolts with high-strength studs that handle extreme boost and RPM in performance applications. Engine builders choose ARP for consistent head gasket sealing and resistance to fatigue under demanding conditions.
Key Features
- 8740 Chrome Moly Construction: Heat-treated to 190,000 PSI tensile strength for dependable performance in competition engines
- Centerless Ground Studs: Ensures perfect concentricity and straightness so heads and gaskets align effortlessly during assembly
- Post-Heat-Treat Thread Rolling: Provides 2000% greater fatigue strength compared to pre-heat-treat threading methods used by others
- Undercut Design on Shorter Studs: Equalizes stretch across all studs for uniform clamping and compensation during head gasket compression
- Black Oxide Finish: Resists corrosion and promotes smooth installation with ARP thread lubricant
Product Notes
- Made in USA with ARP stamped on each stud for authenticity verification
- Designed for professional engine builds. inspect threads and holes before installation
- Ships in protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Clean blind holes thoroughly and apply ARP Ultra-Torque lubricant to threads and washers
- Torque in three steps to ARP specifications: 30 ft-lbs, 60 ft-lbs, then 70-75 ft-lbs for 2.0L Pinto engines
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1971-1980 | Ford | Pinto | 2.0L |
| 1975-1980 | Mercury | Bobcat | 2.0L |
Why Choose ARP?
- Trusted by professional engine builders in all racing categories
- Premium 8740 alloy exceeds aircraft steel ratings for strength
- Exact tolerances from vertical heat treatment and precision grinding
Frequently Asked Questions
- Q: Which engines does ARP 151-4201 fit?
A: Fits 1971-1980 Ford Pinto 2.0L L4 and 1975-1980 Mercury Bobcat 2.0L L4 engines with stock or performance cylinder heads - Q: What material and strength rating does this kit have?
A: Constructed from 8740 chrome moly alloy heat-treated to 190,000 PSI with black oxide finish for durability - Q: What is the warranty and installation process?
A: ARP provides a one-year unlimited mileage warranty. follow ARP torque sequence with proper lube for best results
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Original ARP protective box
- Weight: 2 lbs
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