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SKU: 611-0750 | UPC: 672036015565
ARP 1/4in x 20 - .75in UHL 12pt SS Bolt for Chevy Small Block Ford V8 GM LS Mazda Miata (5/pkg)
Secure your engine components with this pack of 5 ARP stainless steel 12-point bolts featuring 1/4-20 threads and .75in under head length. Designed for popular performance engines including Chevy Small Block Ford Windsor V8 GM LS series and Mazda Miata NA/NB applications like valve covers intake manifolds alternator brackets and power steering pumps. These fasteners provide consistent clamp load and long-term durability under high stress conditions.
Key Features
- Genuine ARP Fasteners: Engineered to maintain reliable clamping force in demanding street and track environments
- Precision-Rolled Threads: Promote maximum thread engagement for accurate repeatable torque values
- 12-Point Head Design: Enables high torque application without rounding even in confined spaces
- Stainless Steel Build: Resists corrosion and fatigue for extended service life in harsh conditions
- .75in Under Head Length: Matches thin flange requirements for flush secure fitment
Product Notes
- Packaged as set of 5 bolts for complete hardware replacement
- Inspect threads before use and replace if damaged
- Compact lightweight packaging for easy storage and shipping
Installation Notes
- Professional installation recommended.
- Clean all threads thoroughly and apply ARP Ultra-Torque lube as specified
- Torque to ARP or manufacturer specs in proper sequence recheck after heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-2023 | Chevrolet | Small Block V8 | Various |
| 1962-1997 | Ford | Windsor V8 | Various |
| 1997-2023 | GM | LS Series | Various |
| 1989-2005 | Mazda | Miata | NA NB |
| 1965-1982 | Chevrolet | Corvette | C2 C3 |
| 1967-1981 | Chevrolet | Camaro | First Gen |
Why Choose ARP?
- Proven in professional racing and high horsepower builds for decades
- High strength materials exceed OEM specs for critical joints
- Exact tolerances from advanced manufacturing ensure perfect fit and function
Frequently Asked Questions
-
Q: What engine applications do these ARP bolts fit best
A: Perfect match for 1/4-20 threaded holes on Chevy Small Block valve covers Ford V8 intakes GM LS accessories Mazda Miata throttle body and similar performance hardware requiring .75in UHL -
Q: What material and finish do these bolts have
A: Aerospace grade stainless steel with rolled threads for superior strength corrosion resistance and fatigue life over standard hardware -
Q: What torque procedures should I follow during installation
A: Use ARP Ultra-Torque lube follow published torque specs and sequence re-torque after 100 miles or initial heat cycles for optimal clamping
Shipping & Handling
- Method: UPS Ground USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Secure poly bag in 4in x 3in x 1in box
- Weight: 0.15 lbs
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