Progress 370Z sway bars

Progress Group Anti-Sway bars for Nissan 370Z & Infinity G37

The Progress Group, Inc. has developed a new anti-sway bar set for the Nissan 370Z and Infiniti G37.  The PROGRESS front anti-roll bar is a hefty 35mm x 6mm wall tubular alloy steel and is non-adjustable due to the OEM end-link configuration.  This bar replaces the OEM 27mm bar.  The PROGRESS rear anti-sway bar is a 25mm x 4mm wall tubular alloy design with three adjustment settings.  This replaces the OEM 24mm rear bar. 

These anti-sway bars are designed for use with the OEM end-links.  The complete hardware kit includes low-deflection polyurethane bushings, new frame mount brackets, and a specific formulation of synthetic chassis grease.




This new anti-roll bar system will improve chassis balance, quicken steering response, and minimize the uncomfortable “speed-robbing” body roll while cornering.  All Progress anti-sway bars are manufactured in-house, feature precision MIG-welded ends, and are powder coated metallic graphite gray.  For more information, or to find a dealer, visit us online at  www.progressauto.com or call 1-800-905-6687.


#61.1543, Front Anti-sway bar    Street price $180.00
#62.1543, Rear Anti-sway bar    Street price $164.00



The Progress Group



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Mike Kojima
Mike Kojimalink
Sunday, January 23, 2011 6:21 PM
Better than the devils own!
Monday, January 24, 2011 7:08 AM
Adjustable front sways are possible on the 370Z. Whiteline has a 2-way adjustable offering for the Z34 front end. I personally had some Hotchkis sways on my 370Z for a brief period and concluded that in my opinion the front was way too stiff for my track setup on street tires. I ended up switching back to stock sways and the car felt a ton better. I am leery as the Progress front sway has the same 35mm diameter and an even smaller diameter rear than the Hotchkis. Would be curious to see a real world shootout between the Whiteline and Progress offerings. The Whiteline sways are actually stock diameter, but 2-way adjustable front, 3-way rear.
Mike Kojima
Mike Kojimalink
Monday, January 24, 2011 7:27 AM
Is the Hotchis front bar solid? The Progress bar is tubular.
Tuesday, January 25, 2011 4:17 AM
My 350Z/G Coupe version, Hotchkis front sway is hollow. Stock weighed a ton by comparison, bushings were mush. It is easy to set the front end up too stiff if you're not careful. Powergrid end links (adj) made a big difference over OEM. The Z33 style links were infamous for popping, esp in back.
Friday, January 28, 2011 5:32 AM
The Hotchkis bars for the 370Z are tubular as well.
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