PRI 2019: Sway-A-Way Porsche 930 28-Spline Street And Race Axles

Walking the halls of PRI might reveal loads of late-model Porsche products like the Cup-style brakes, but we also found upgrades for legacy models like the 930. The older air-cooled Porsche platform in a few trims of 911 topped out at the 930 Turbo widow-maker — an outstanding track car, if you can handle it.

Sway-A-Way, out of California knows all about old Porsches and had a handful on display for those who need to upgrade parts all the way up to all-out race parts. We checked in with President and CEO, Brian Skipper, to give us the rundown of a popular track and autocross vehicle, the Porsche 930 chassis 911 (1976-1998 model years).

“We had this 930 product for a number of years, and it continues to sell,” says Skipper. “Whether it is to save money versus a Porsche product, or to step up to an all-out race application in different lengths, we have an axle for that.”

The standard Porsche 930 axle is made from a 4340 high-carbon steel and is heat-treated for extra strength.  The 28-spline is carefully machined and elongated to by 3-inches to ensure there is minimal wear on axle and CVs. The Porsche 930 axle is available in a variety of lengths and is powdercoated in red to resist corrosion. These axles are priced at $339 to $379 per side, depending on length.  

The standard Porsche 930 28-spline axle is made from a 4340 high-carbon steel and heat-treated for extra strength, while the racing axle is 300M material in raw finish.

The racing set of Porsche 930 axles are slightly different to accommodate the rigors of road racing, autocross, and serious track days. The same 28-spline is offered in a variety of lengths to suit modifications or different suspension setups. Like the standard set, the race-axle diameter is specifically sized to allow twist like a torsion bar under extreme tracking, meaning it will absorb some shock carried from the wheel and not harm the gearbox. 

The Porsche 930 racing axles are CNC-machined out of a robust 300M alloy and unpainted to allow for Magnaflux inspection. The price-point is higher for the integrity of these materials $599 to $749, again depending on any custom length.

Sway-A-Way also showed off Porsche 930 torsion bars that are CNC-machined out of the 300M material and powdercoated red for durability.

Sway-A-Way also showed off a Porsche 930 torsion bars, also CNC-machined out of the 300M material and powdercoated red for durability. Skipper also talked a bit about its private-label sway bar program where any race team or parts brand can have custom anti-sway bars bent at their facility right in Chatsworth, California.

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About the author

Dave Pankew

Dave has been a gearhead forever and bought his first car at only 15. Since then he has owned, built and raced over 60 cars, turning his obsession into a career becoming Editor-in-Chief of a tuner magazine nearly 20 years ago.
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