- Order number: 070-711804
Control Arm Head (Upper) – M14/M16 – For Haili, Jingling, SPY Racing & Universal Quad/ATV
Full Control and Stability! Eliminate steering play and restore the precision of your chassis!
The Control Arm Head (also known as the upper ball joint head) is a central link between the control arm and the wheel hub. It allows the necessary mobility of the wheel during steering and suspension movements and is crucial for the steering feel and tracking stability of your Quad. Wear on this component inevitably leads to steering play and increased tire wear.
This robust control arm head is designed as a high-quality replacement part. Due to its specific thread dimensions and overall length, it is suitable for many sporty Quad and ATV models in the 250cc to 350cc class:
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Haili SP 307-J
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Jingling JLA 21B
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SPY Racing Quad 250 - 350
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Also suitable for many other Quads & ATVs (please check dimensions!)
Product Details and Benefits
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Precise Geometry: For the upper mounting on the control arm.
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Tailored Threads: Guarantees a firm and secure fit in the steering system:
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Short Thread: M14 (14 mm)
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Long Thread: M16 (16 mm)
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Compact Design: Total length approx. 110 mm.
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High Durability: Manufactured for the stresses of off-road use.
| Specification | Detail |
| Article Type | Control Arm Head (Ball Joint) |
| Mounting Location | Upper (on the Control Arm) |
| Thread 1 (Short) | M14 |
| Thread 2 (Long) | M16 |
| Total Length | approx. 110 mm |
| Suitable for | Haili SP 307-J, Jingling JLA 21B, SPY Racing, among others |
| Quality | High-Quality Replacement Part |
| Article No. | Not specified |
Important Installation Notes (Intended as Guidance Only!)
Important Note: Work on control arms and steering is safety-critical. We recommend having the installation performed by specialists.
Comparison: ABSOLUTELY compare the thread sizes and the total length with your old part to ensure correct compatibility.
Replacement: Remove the old ball joint and install the new head.
Final Check: After replacing chassis or steering parts, professional wheel alignment/toe adjustment is strongly recommended to optimize driving stability and tire wear.
Bring the steering precision of your Quad back to the road and the trails! Order the Control Arm Head (M14/M16) now!