SKU: 444-1202 | UPC: 672036014346
ARP Header Bolt Kit For Chrysler 5/16˝ dia. bolt Stainless 12-Pt Head 1962-2003 Small Block V8
ARP 444-1202 Header Bolt Kit delivers stainless steel studs and 12-point nuts designed for Chrysler 5/16-18 x 1.375 inch header bolts. This kit fits 1962-2003 Dodge Plymouth Chrysler vehicles with 273 318 340 360 small block V8 engines including Charger Coronet Barracuda Road Runner Duster Dart and trucks. The 180,000 PSI tensile strength exceeds Grade 8 hardware while stainless construction resists heat and corrosion for lasting exhaust retention.
Key Features
- Polished Stainless Steel: Resists corrosion and extreme exhaust heat for long-term durability in harsh environments
- 12-Point Nuts: Compact design allows close socket fit near header pipes for straightforward wrenching
- Nut-Starter Nose: Built-in feature on studs prevents cross-threading during header installation
- 180,000 PSI Strength: Far exceeds Grade 8 fasteners to securely hold headers under high vibration and torque
- Made in USA: Precision ARP manufacturing ensures consistent quality and exact fit for Mopar applications
Product Notes
- Contains 12 studs and 12 nuts specifically for small block Chrysler headers using 5/16-18 threads
- Verify header bolt holes match 5/16 inch diameter before ordering
- Packaged in protective pouch to prevent damage during storage and transit
Installation Notes
- Professional installation recommended.
- Torque to 25-30 ft-lbs following ARP instructions included with kit
- Compatible with stock and aftermarket headers on 273-360 small block engines
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1967-1971 | Dodge | Charger | |
| 1966-1971 | Plymouth | Barracuda | |
| 1968-1974 | Plymouth | Road Runner | |
| 1967-1976 | Dodge | Coronet | |
| 1970-1974 | Plymouth | Duster | |
| 1968-1976 | Dodge | Dart | Swinger |
| 1967-1971 | Plymouth | GTX | |
| 1975-1993 | Dodge | D-Series Pickup | 318/360 |
| 1975-1980 | Dodge | B-Series Van | 318/360 |
| 1981-2003 | Dodge | Ramcharger | 318/360 |
Why Choose ARP?
- ARP pioneered high-strength fasteners for racing since 1968 with proven track record
- Every kit undergoes rigorous testing for engine and exhaust applications
- Exact thread pitch and length match OEM specs for bolt-in header replacement
Frequently Asked Questions
- Q: Which Chrysler engines use this header bolt kit?
A: Fits all 1962-2003 small block 273 318 340 360 V8 engines in Dodge Plymouth Chrysler cars and trucks with 5/16-18 header bolts - Q: Why stainless steel over other materials?
A: Polished stainless withstands exhaust corrosion and heat cycles better than chrome moly while maintaining full 180,000 PSI strength - Q: Does ARP offer a warranty?
A: Limited lifetime warranty covers manufacturing defects when installed and used per ARP guidelines
Shipping & Handling
- Method: Free ground shipping on orders over $99
- Availability: In stock – ships same or next business day
- Packaging: Compact cardboard box 6.75 x 5.25 x 1.75 inches
- Weight: 0.70 lbs





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