Click to zoom in
SKU: AS12-12 | UPC: 806990038692
QA1 Male/Left Hand to Female/Right Hand Linkage Adjuster - 3/4-16 - Chromoly Steel
QA1 AS12-12 linkage adjuster connects male left-hand 3/4-16 threads to female right-hand 3/4-16 threads in a durable chromoly steel body. This double adjuster design suits custom suspension linkages in circle track racing drag racing street performance and street rodding applications. Yellow zinc dichromate plating resists corrosion while heat-treated steel handles high-stress racing demands with precise length adjustments.
Key Features
- Chromoly Steel Construction: Heat-treated chromoly steel provides high tensile strength and impact resistance for demanding motorsport environments
- Yellow Zinc Dichromate Finish: Zinc plating with yellow dichromate layer protects against rust and wear in harsh track conditions
- 3/4-16 Thread Specification: Male left-hand to female right-hand 3/4-16 threads enable simple rotation for fast accurate length changes without end movement
- Male-to-Female Double Adjuster Design: Compact 4.25-inch overall length fits tight suspension setups while allowing full adjustability
- Versatile Racing Application: Built for rod end linkages spherical bearings and heim joint assemblies in performance vehicles
Product Notes
- Sold as single unit for custom builds
- Inspect threads for compatibility before installation
- Package dimensions 5 x 1 x 1 inches for compact storage
Installation Notes
- Professional installation recommended.
- Lubricate threads with anti-seize for smooth adjustments
- Compatible with QA1 rod ends and spherical bearings 3/4-16 thread size
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Multiple | Racing Vehicles | Circle Track Drag Street Performance |
| Universal | Multiple | Street Rods | Custom Suspension |
Why Choose QA1?
- Founded in 1993 leader in rod ends spherical bearings and linkages for motorsports
- American-made in 83000 sq ft Lakeville MN facility with in-house manufacturing
- Proven components for circle track drag racing street performance and rodding
Frequently Asked Questions
-
Q: What thread sizes does the AS12-12 use?
A: 3/4-16 left-hand male on one end and 3/4-16 right-hand female on the other for turnbuckle-style adjustments -
Q: What material and finish are used?
A: Heat-treated chromoly steel body with yellow zinc dichromate plating for strength and corrosion resistance -
Q: What is the warranty and installation?
A: Backed by QA1 manufacturer defect warranty professional installation advised torque threads to spec and pair with matching rod ends
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective tube 5 x 1 x 1 inches
- Weight: 0.40 lbs
Hardware
Engine hardware, fasteners, and mounting hardware kits for builds, fabrication, and suspension work are stocked at Black Ops Auto Works. Shop ARP engine bolts and stud kits, suspension mounting hardware from Fox and Rock Krawler, bumper mount kits, tie rod clamps, joint retainer tools, and single and kit-packaged hardware for domestic, import, and off-road platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 945 Hardware SKUs across engine hardware, suspension mounting hardware, and single-piece or kit-packaged fasteners. What This Collection Covers Hardware groups together the fasteners, mounting kits, clamps, and small components that hold engines, suspension systems, and accessories together. This includes ARP engine hardware such as intake manifold bolts and cam bolt kits, suspension mounting hardware from Fox and Rock Krawler for shock and steering stabilizer installs...
View Hardware Products
Hardware - Singles
Individual mounting hardware for automotive builds is stocked at Black Ops Auto Works. Shop single bolts, pins, clamps, crush washers, relays, and bar pins from ARP, Dorman, Vibrant, Fox, Fragola, HKS, Moroso, PRP, Westin, and Zone Offroad for a wide range of vehicle applications. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 329 individual hardware SKUs across type and application. What This Category Covers This collection covers small individual hardware components sold as single items rather than complete kits, for builders who need a specific bolt, pin, clamp, or fastener without purchasing a full assortment. Categories Included Single bolts, dowel pins, hose clamps, crush washers, electrical relays, and bar pins covering a wide range of mounting and fastening applications across suspension, exhaust, engine, and accessory installs. Why Buy Hardware as Singles Many hardware...
View Hardware - Singles Products
QA1
QA1 suspension parts are stocked at Black Ops Auto Works for American muscle cars and classic trucks. Shop coilover kits, shock absorbers, springs, handling kits, four link systems, sway bars, strut kits, rod ends, and suspension hardware for the Mustang, Camaro, Corvette, Challenger, Charger, and GM B-Body, F-Body, and G-Body platforms. Every product is filterable by year, make, model, trim, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 536 QA1 SKUs across coilovers, shocks, springs, and handling kit categories. What This Brand Covers QA1 is a suspension manufacturer known for adjustable coilover systems, shock absorbers, and complete handling kits built for muscle cars, classic trucks, drag cars, and pro touring builds. The lineup covers everything from single component shock replacement to full vehicle handling packages. Brand Focus QA1 concentrates on American muscle car and classic truck platforms, with deep coverage of GM, Ford, and ...
View QA1 Products