- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Upgrade the front roll control of your classic Porsche 911 with this high-performance adjustable 22 mm front anti-roll bar kit. Specifically designed for 1965-73 911 models, this kit replaces the original 15 mm bar with a larger diameter 22 mm unit and includes adjustable drop-links/levers for fine-tuning roll stiffness. Whether you’re restoring a vintage 911, upgrading for spirited driving or prepping for track use, this kit enhances cornering stability, improves front-end responsiveness and allows tuning to match your suspension setup.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
What This Product Does:
- The front anti-roll bar connects the left and right front suspension arms, limiting body roll by transferring load from the outside wheel to the inside wheel during cornering.
- A larger diameter bar (22 mm vs 15 mm) increases torsional stiffness, reducing body lean, improving turn-in and chassis stability.
- The “adjustable” aspect adds the ability to change the lever arm or drop-link position, allowing fine-tuning of roll stiffness (e.g., softer for street, stiffer for track) without changing the bar itself.
- As a result you get sharper front-end response, flatter corners, improved tyre contact and more confidence in dynamic driving.
Symptoms & Signs You Might Need This Upgrade:
- Excessive body roll or lean in the front end during cornering, or a feeling that the car “leans” more than it used to.
- The front suspension feels less sharp, turn-in feels delayed or vague — especially if you’ve already upgraded springs, shocks or tyres and the bar is now the limiting factor.
- If your car has been lowered, fitted with wider tyres, stiffer suspension, or is used for track, the factory bar may no longer provide adequate control.
- You want to tune or adjust your front roll stiffness — the adjustable kit gives you that capability.
- Visible signs: a thinner or corroded stock front bar, worn drop-links, excessive movement in the front roll bar mount bushes etc.
Why This Upgrade Matters:
- By increasing front anti-roll stiffness, you improve the car’s dynamic behaviour: better balance, less front body-roll, sharper front-end response, and improved driver confidence.
- The adjustable feature gives real world flexibility: you can match stiffness to your tyres, springs, driving style or track/road use rather than being locked into factory spec.
- For a classic 911 used in sporty driving, cautious track use or performance upgrades, this bar upgrade supports the rest of the suspension system rather than being the weak link.
- If you leave the stock bar while upgrading other components, you risk handling being compromised — upgrading ensures all parts rise together.
- Finally, from a restoration perspective, fitting a well-specified upgrade enhances the value and usability of the car.
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901343703PR
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- Porsche Boxster 718 2.0L Manual (300 Bhp)
- Porsche Boxster 718 2.0L PDK (300 Bhp)
- Porsche Boxster S 718 2.5L Manual (350 Bhp)
- Porsche Boxster S 718 2.5L PDK (350 Bhp)
- Porsche Cayman 718 2.0L Manual (300Bhp)
- Porsche Cayman 718 2.0L PDK (300Bhp)
- Porsche Cayman S 718 2.5L Manual (350Bhp)
- Porsche Cayman S 718 2.5L PDK (350Bhp)
Fits:
Porsche 982 (718) Boxster 2017>>
Porsche 982C (718) Cayman 2017>>
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Diagram ref no 3
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98133377701
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Anti-Roll Bars (ARB’s) play an important role in a vehicle’s suspension system, helping to reduce body roll by transferring cornering load from one side of a vehicle to the other.
Often mounted to the vehicle’s chassis with rubber bushes, these bushes ensure the bar works as intended. To prevent the anti-roll bar from moving laterally within its mounts when turning, OE manufacturers will either bond the bushes to the bar, add dead-stops to the bar itself, or rely solely on the clamping pressure of the rubber.
But what happens when those bushes wear and need to be replaced? Often anti-roll bars with bonded bushes come as a costly complete assembly, so the alternative is to fit a more cost-effective unbonded polyurethane replacement, like the many we offer.
In most cases, friction from the bush will prevent any side-to-side bar movement. Still, when turning aggressively or cornering at higher speeds, a laterally shifting anti-roll bar decreases the efficiency and effectiveness of the bar, changing the dynamics of your suspension system in unpredictable ways. It also poses the risk of the bar fouling on other areas of the vehicle or suspension system.
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- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 718 2.0L Manual (300 Bhp)
- Porsche Boxster 718 2.0L PDK (300 Bhp)
- Porsche Boxster S 718 2.5L Manual (350 Bhp)
- Porsche Boxster S 718 2.5L PDK (350 Bhp)
- Porsche Boxster T 718 2.0L Manual (300 Bhp)
- Porsche Boxster T 718 2.0L PDK (300 Bhp)
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman 718 2.0L Manual (300Bhp)
- Porsche Cayman 718 2.0L PDK (300Bhp)
- Porsche Cayman S 718 2.5L Manual (350Bhp)
- Porsche Cayman S 718 2.5L PDK (350Bhp)
- Porsche Cayman T 718 2.0L Manual (300Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Fits:
Porsche 981 Boxster / Boxster S - 2012 to 2016
Porsche 981 Cayman / Cayman S - 2013 to 2016
Porsche 718 Boxster / Boxster S / Boxster T/ Boxster GTS - 2017 Onwards (2.0lt and 2.5ltr models)
Porsche 718 Cayman / Cayman S / Cayman T/ Cayman GTS - 2017 Onwards (2.0lt and 2.5ltr models)
The Best Suspension Mod Available for the Porsche 981 and 718
Through extensive research and track testing, CMS has engineered the perfect replacement sway bars for the Porsche 981 & 718 Cayman/Boxster (all model) Our engineers took hundreds of laps at racetracks from Road America to COTA, Mid Ohio to High Plains, along with thousands of miles on the street. All to confirm the CMS Performance Sway Bars transform the handling of the Porsche while maintaining the car's everyday driveability and reliability.
Tuned to work with your Porsche's OEM struts and springs (both standard and PASM), the CMS Sway Bars are the best handling improvement you can make to your 981. Based on the sway bars of the GT4, the CMS Performance Sway Bars have five holes of adjustment both front and rear, giving you an unprecedented range within which to tune your car's handling depending on the road or track you're tackling.
Larger Diameter Plus Fine-Tuning Your Porsche's Handling
With larger diameters than the OEM GT4 bars, the CMS Performance Adjustable Sway Bars can be adjusted from slightly softer than stock to substantially stiffer. This lets you fine-tune handling balance from understeer to neutral to oversteer with simple hand tools.
Included are OEM Porsche sway bar bushings, precision-machined for the slightly larger bars, giving you worry-free fitment, OEM quality, and a noise-free installation. CMS Performance Sway Bars are engineered and manufactured in the USA with drop-forged ends for high strength and performance.
Base, S, GTS models have CMS front drop links. These are OEM Porsche front links customized to fit the CMS front sway bar. Your original rear drop links do not need to be replaced.
CMS Performance Adjustable Sway Bars Details:
- Diameters of 31.8mm (front) and 25.4mm (rear), 30% larger than the OEM 981 Cayman GT4 bars
- Adjustment of each bar goes from 1% softer than stock to 50% stiffer.
- Powder-coated Black, Red, or Silver for long life and great looks
- Designed and manufactured in the USA using all US components
- Engineered specifically for the Porsche 981 and 718 chassis
Adjustable Sway Bar Kit Includes the Following:
- Front and rear five-way-adjustable sway bars w/ forged ends
- OEM Porsche bushings custom-machined to our specifications
- OEM Porsche front drop link set, customized to our specification (required for Base, S, GTS)
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991343705CMS
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