Click to zoom in
SKU: 743-1000 | UPC: 672036033149
ARP 7/16 Inch -20x1.000in UHL 12pt Black Oxide Bolts for Chevy Small Block Ford Windsor Mopar V8 (5/pkg)
ARP 7/16 Inch -20x1.000in UHL 12pt Black Oxide Bolts (5/pkg) provide critical fastening strength for performance V8 engines including Chevy Small Block Ford 289-351W and Mopar LA series. These bolts maintain secure clamp under high heat and vibration for reliable operation in street and race setups. Precision engineering ensures consistent performance in demanding hardware applications like manifolds timing covers and oil pans.
Key Features
- Genuine ARP Fasteners: Built from high-strength alloy rated over 200,000 psi for extreme durability and fatigue resistance
- Precision-Rolled Threads: Deliver deep thread engagement for accurate repeatable torque and reduced galling
- 12-Point Head Design: Enables high-torque application with socket grip that resists cam-out and stripping
- 1.000in Under Head Length: Matches exact needs for flush secure mounting in tight engine clearances
- Black Oxide Finish: Resists corrosion lubricates threads and supports ARP torque values with Ultra-Torque
Product Notes
- Confirm thread pitch length and hole size match your engine hardware before purchase
- Store in dry conditions to preserve finish and thread integrity
- Compact lightweight pack ships fast with no freight requirements
Installation Notes
- Professional installation recommended.
- Clean threads and apply ARP Ultra-Torque for precise clamp load
- Torque per ARP specs in sequence re-check after heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-2002 | Chevrolet | Small Block V8 | 262-400 cid |
| 1962-1997 | Ford | Windsor V8 | 260-351W cid |
| 1967-2003 | Dodge / Plymouth | LA Series V8 | 273-360 cid |
| 1965-1982 | Chevrolet | Big Block Mark IV | 396-454 cid |
Why Choose ARP?
- Trusted by NHRA Top Fuel teams and OEM engine builders for decades
- Proprietary heat treatment process yields strength beyond grade 12.9 bolts
- Exact thread rolling and machining for fit and torque consistency
Frequently Asked Questions
-
Q: What engine applications use these 7/16-20 x 1.000in bolts?
A: Common in V8 accessory hardware such as intake oil pan and timing cover bolts on Chevy Small Block Ford Windsor and Mopar engines verify your OEM size -
Q: What material and finish do ARP 743-1000 bolts have?
A: Forged ARP2000 chrome moly alloy with black oxide coating for corrosion protection and low friction during torquing -
Q: What is the warranty and torque procedure?
A: Lifetime warranty on manufacturing defects torque with ARP Ultra-Torque to published specs follow multi-pass sequence
Shipping & Handling
- Method: UPS Ground or USPS Priority Mail
- Availability: In stock - ships same or next business day
- Packaging: Protective plastic pouch in 4 x 3 x 1 inch box
- Weight: 0.31 lbs
Read More
ARP
ARP (Automotive Racing Products) is the world’s premier manufacturer of high-strength engine and driveline fasteners—head studs and bolts, main studs, rod bolts, and more—engineered and manufactured in-house from start to finish for race-proven reliability. With vertically integrated processes that include cold heading, machining, heat-treating, thread rolling after heat treat, and rigorous QA, ARP maintains aerospace-level certifications (ISO 9001 and AS9100) and validates every part for repeatable clamp load and fatigue resistance. Signature alloys such as 8740 chromoly, ARP2000, L19, and Custom Age 625+ deliver ultimate tensile strengths up to the super-alloy range, while ARP Ultra-Torque fastener assembly lubricant helps achieve consistent pre-load during installation. From street performance builds to professional motorsport programs, ARP fasteners provide precise fitment, superior metallurgy, and the durability needed to keep engines together at elevated cylinder pressures and...
View ARP Products
ARP Head Studs
Welcome to our premium collection of ARP Head Studs and fasteners, specifically engineered for high-performance engines. This expertly curated selection features a variety of fasteners designed to meet the rigorous demands of automotive enthusiasts and professionals. Whether you need OEM replacement parts or specialized hardware for competitive racing series such as Formula 1, IndyCar, NASCAR, or NHRA, our collection has everything you require. ARP Head Studs are celebrated for their superior strength and reliability. Each product featured in our collection is meticulously crafted to ensure your engine performs optimally, even under extreme conditions. Here are some key attributes of our ARP fasteners: High-Quality Materials: Constructed from top-tier materials for exceptional durability. Precision Engineering: Designed to provide a perfect fit and enhance overall performance. Comprehensive Range: From head studs to specialty fasteners, we offer a wide array of options to meet y...
View ARP Head Studs Products
Hardware
Shop premium hardware and installation components at Black Ops Auto Works, your trusted source for engine hardware, bolts, studs, nuts, washers, brackets, mounting kits, replacement hardware, and installation accessories for performance cars, trucks, SUVs, Jeeps, and race builds. Whether you are finishing an engine build, replacing worn hardware, or installing aftermarket parts, we carry high-quality components designed for fitment, durability, strength, and long-term reliability. From ARP bolts and stud kits to Vibrant crush washers, QA1 mounting hardware, PERRIN radiator brackets, and other performance-focused installation parts, our hardware collection helps support clean installs and dependable results across a wide range of builds. Shop Hardware, Bolts, Brackets & Installation Components At Black Ops Auto Works, we offer a wide selection of performance hardware and supporting installation parts for street, track, off-road, and custom applications. Popular Hardware Categorie...
View Hardware Products