SKU: 646-2750 | UPC: 672036039592
ARP 1/2-13 x 2.750 Hex Stainless Steel Bolts 1955-2004 Chevrolet Small Big Block Ford Windsor Buick Pontiac V8 (5 Pack)
ARP 1/2-13 x 2.750 hex stainless steel bolts provide dependable fastening for performance engine components including exhaust manifolds valve covers and oil pans. These bolts fit 1955-2004 Chevrolet small block and big block engines Ford 289/302/351W Buick 350/455 Pontiac 400/455 and similar V8s. Corrosion resistant construction maintains secure clamping under extreme heat vibration and moisture exposure.
Key Features
- Material: 300 series stainless steel offers robust strength and rust resistance in harsh engine bay conditions with moisture and exhaust gases
- Thread Specs: 1/2-13 coarse thread 2.750 inch length aligns with OEM replacements for full thread engagement without bottoming
- Head Design: Hex head takes 3/4 inch socket for straightforward torquing to ARP specified values
- Strength Rating: High tensile strength endures performance engine builds through repeated thermal cycles and stress
- Pack Size: 5 bolts per package suits typical repairs such as manifold swaps or rocker arm setups
Product Notes
- Inspect threads and holes for cleanliness before use
- Apply ARP thread lubricant during assembly for accurate torque
- Ships in protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Torque in sequence using calibrated wrench to ARP specs
- Works with existing washers and standard ARP hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-2004 | Chevrolet | Small Block V8 | All |
| 1965-2002 | Chevrolet | Big Block Mark IV | All |
| 1962-1997 | Ford | 289/302/351W | All |
| 1967-1981 | Buick | Skylark Riviera | 350/455 V8 |
| 1967-1979 | Pontiac | Firebird GTO | 350/400/455 |
| 1968-1985 | Oldsmobile | Cutlass 442 | 350/403/455 |
| 1965-1982 | Chevrolet | Corvette C2 C3 | All V8 |
| 1967-1969 | Chevrolet | Camaro | All V8 |
Why Choose ARP?
- ARP fasteners power professional racing teams in NHRA NASCAR and drag circuits
- Every bolt undergoes rigorous testing for consistent clamping force
- Precision rolled threads ensure even load distribution across applications
Frequently Asked Questions
- Q: What engine applications do these bolts support?
A: Designed for GM LS small block big block Ford Windsor series Buick Oldsmobile Pontiac V8s in exhaust intake oil pan and accessory mounts - Q: What is the material and finish?
A: Made from 300 series stainless steel with rolled threads and plain finish for direct engine bay use - Q: What torque specs apply and is there warranty?
A: Follow ARP torque charts with moly lube ARP provides manufacturer defect warranty contact for details
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Plastic bag in cardboard box 6 x 4 x 1 inches
- Weight: 0.40 lbs
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