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Drop links Front
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93

Fits:
Porsche 964 C2 1990-94 with M030 sport suspension
Porsche 964 C4 1990-94
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9643430
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Upgrade the front anti-roll bar linkages of your Porsche 964 with this high-performance sports drop link set. Designed specifically for the front left and right sides of the 964 C2 / C4 (1990-94) with the M030 sport suspension, these links feature an 85 Shore rated bushing material for minimal compliance and maximum chassis feedback. The result is improved roll resistance, sharper turn-in, and a more connected steering feel. Ideal for restored, tuned or track-prepped 964s, these direct-fit replacements deliver both performance and durability.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Diagram Ref No 7
What This Product Does:
- The front drop link connects the front anti-roll (sway) bar to the suspension (often via control arm or strut), transmitting roll forces and enabling the bar to limit body roll during cornering.
- A key role is to ensure that the anti-roll bar engages properly without undue delay or unwanted movement; the drop link is the “lever” that transfers motion.
- With the “85 Shore” version, the bushings (or joint material) are firmer (i.e., higher durometer) than the standard version — meaning less flex or slack in the link under load, so the anti-roll bar responds more directly and the front end remains flatter in corners.
- In practical terms this yields sharper front-end handling, reduced body roll, and a more direct “connected” feel through the steering and chassis.
Symptoms & Signs You Might Need This:
- Clunking or knocking noises from the front suspension when going over bumps or through quick directional changes — suggesting the current drop link or its mount is worn.
- Excessive body roll or vague front-end behaviour in corners — the anti-roll bar may not be transmitting load effectively due to flex in the link.
- Uneven handling left vs right — if one drop link side is looser than the other, you might feel asymmetrical behaviour.
- Soft or “mushy” front-end feel, especially if you’ve upgraded other suspension components (lowered car, stiffer springs) and the links are still standard and allowing unwanted movement.
- On inspection: visible sleeve or bushing deterioration, play in the link joints, or rubber flexing significantly under load.
Why This Upgrade Matters:
- The step from standard hardness to 85 Shore gives you a firmer connection in the drop link, meaning the roll bar is engaged more quickly and consistently under load. This is especially beneficial on a car like the 964 with sport suspension or for drivers seeking sharper response.
- It helps preserve and maximise the benefit of other suspension upgrades (e.g., stiffer springs, upgraded shocks, larger tyres) — because the weak link is removed. If the drop link is still soft or worn, the rest of your upgrades may be compromised.
- Better roll-control means more predictable handling, less chassis lean in corners, and improved tyre contact patch maintenance — which improves grip, cornering speed and driver confidence.
- From a maintenance perspective: worn drop links often lead to bushing failure or increased stress on the anti-roll bar and associated mounts. Upgrading proactively can reduce downstream costs and improve longevity.
- For a vehicle with sport heritage (964 C2 / C4) the upgrade aligns with the model’s dynamic capabilities, bringing front-end behaviour closer to tuned-chassis expectation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9643430
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93

Fits:
Porsche 964 C2 1990-94 with M030 sport suspension
Porsche 964 C4 1990-94
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9643430
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Sold per kit, 1 kit req'd per car.

✓ Maintenance-free precision rod ends
✓ Weather-sealed
✓ Direct Bolt-on replacement

Porsche 964 C2 / C4 1989-94
The ideal swaybar is completely unloaded at static ride height. Stock drops links almost always preload the swaybar since the car doesn't sit perfectly level due to asymmetries such as driver weight.Our front and rear adjustable-length drop links for C4/C2 allow you to eliminate preload of the swaybar for maximum performance.
A preloaded swaybar shifts the weight carried by each of the tires, increasing grip on weighted tires at the expense of decreasing grip on un-weighted tires. This shifted weight/grip causes uneven handling in left and right turns, and premature brake lockup since the less-loaded tire locks up first. Preload can be completely eliminated by adjusting drop link length and swaybar performance optimized.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
2271018
The product you are viewing cross references to these numbers
Front ARB Drop Links – Accurate Anti Roll Bar Operation and Steering Control
Front ARB drop links are essential suspension components that connect the anti roll bar (sway bar) to the front suspension assembly, allowing the anti roll bar to function correctly during cornering, braking and uneven road conditions. They play a key role in controlling body roll, maintaining balance and ensuring predictable front-end handling.
At Design911, we supply OE replacement and performance front ARB drop links from trusted suspension brands. Whether you are replacing worn factory links or upgrading as part of a suspension performance package, quality drop links are vital for restoring precise anti roll bar operation and confident steering response.
What Do Front ARB Drop Links Do?
Front anti roll bar (ARB) drop links transfer suspension
movement from the wheel and control arm to the anti roll bar. Their core
functions include:
- Allowing the anti roll bar to resist body roll during cornering
- Maintaining correct suspension geometry and balance
- Improving steering response and front-end stability
- Ensuring even load transfer across the suspension
Drop links must articulate smoothly while remaining rigid under load, making their condition critical to handling performance.
Why Upgrade or Replace Front ARB Drop Links?
Replacing or upgrading front ARB drop links offers:
- Restored effectiveness of the anti roll bar system
- Reduced knocking or rattling noises from worn joints
- Improved steering precision and handling feedback
- Better compatibility with upgraded or adjustable anti roll bars
Performance drop links may feature uprated joints, stronger materials or adjustable lengths, allowing fine-tuning of suspension geometry—especially important on lowered or track-focused vehicles.
When Should You Replace Front ARB Drop Links?
Front ARB drop links should be replaced when:
- Knocking or clunking noises occur over bumps
- Ball joints or bushes show signs of wear or play
- Installing new anti roll bars or lowering springs
- Completing a suspension refresh or alignment
- Handling feels vague or inconsistent
Replacing worn drop links ensures the anti roll bar works as intended and prevents uneven handling characteristics.
At Design911, our front ARB drop links meet OE or performance standards for reliability, fitment and long-term durability.