Skip to main content Fast Shipping
Australia-wide delivery
Secure Checkout
SSL encrypted payments
Flexible Payment
Cards, PayPal & more
Quality Guaranteed
Genuine parts only
TrackTheory Your one-stop shop for performance parts in Australia. Quality parts from trusted brands.
🇦🇺 Australian Owned & Operated
ABN: 33 689 482 504
Contact Us Business Hours
Mon-Fri: 9am - 5pm ACST
© 2026 TrackTheory. All rights reserved. Built for speed.
TrackTheory acknowledges the Traditional Custodians of the lands on which we operate.
QA1 Quick Disconnect Ball Joint, 5/16in.-24 | TrackTheory
QA1 · QA1-BJDR5 QA1 · QA1-BJDR5 QA1 Quick Disconnect Ball Joint, 5/16in.-24 Tool-free rod end disconnection that holds its geometry under load.
▸ 5/16in.-24 thread fits common suspension and linkage applications▸ Quick-disconnect design cuts setup and teardown time significantly▸ QA1 construction rated for repeated high-load cycling▸ Maintains precise joint alignment after every reconnection▸ Compact form suits tight suspension packaging on dedicated track cars$8
incl. GST · ships AU-wide
Australian-owned. Stocking circuit racing parts, track-day essentials, and performance upgrades.
QA1 Quick Disconnect Ball Joint, 5/16i… $7.81
Add to cart Dispatched in 1-2 business days · 30-day returns
Home Shop Garage Account
Add to cart Save to wishlist“The bite is sharp from the first stop. Compounds where they should be when the rotors come up to temperature.”
Specifications
On the spec sheet. Spec sheet coming — contact support for full spec details. Fitment
Will this fit? Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
Why this part
Channel: marketing:QA1 Quick Disconnect Ball Joint,
Draft:
Cheap ball joints back out, wear oval, or seize when you need them to move. QA1 builds to motorsport tolerances, so the thread engagement stays consistent and the disconnect mechanism doesn't slop out after a season of use. At this price point there's no reason to compromise on a component that directly affects your suspension geometry.
Pairs well with
Other parts in this build. © 2026 TrackTheory · ABN 33 689 462 504 Built in Adelaide · Shipping AU-wide