Tenneco launches 2015 F-150 4WD suspension system

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Tenneco Inc.'s Rancho brand will release two new suspension systems for the 2015 Ford F-150 4WD truck, including 6-inch and 4.5-inch systems that the company says will help maximize handling and performance off-road, and provide a rugged, performance stance to the popular truck series.

The new Rancho Ford systems will include a newly designed one-piece, re-inforced subframe, constructed from high-strength, low-alloy steel and precision designed for superior fit and finish. The 4.5-inch Rancho Ford F-150 suspension system (RS66500B) will be released during December and the 6-inch kit (RS66501B) will be released in February 2015.

“We’re looking forward to launching the new systems – especially after our 6-inch 2011 Ford F-150 Super Crew Limited system was certified as Federal Rollover Safety compliant,” says Chris Gauss, director, performance brands, Tenneco. “These new systems continue to add depth to our Ford truck coverage and help to position the Rancho brand as one of the leaders in the performance suspension category.”

Rancho engineers also include CNC-machined, durable extended-length steering knuckles that maintain track width and ensure proper steering geometry. Each system includes CAD-designed components for a precise fit. The 6-inch kit also includes rear aft braces.

The newest Rancho Ford F-150 systems – which accommodate 35-inch tires – will not affect the Ford AdvanceTrac with RSC electronic stability control systems.

Both of the new kits include rear leaf spring blocks. All Rancho brackets are manufactured using high-strength, low-alloy steel. No drivetrain or exhaust modifications are necessary to install the system.

The Ford F-150 4.5-inch lift kit is compatible with Rancho RS5000 shocks, RS7000MT shocks and RS9000XL shocks. The Ford F-150 6-inch lift kit is fully compatible with Rancho RS7000MT shocks.

Every Rancho suspension system includes the necessary components to complete the install, plus detailed, full-color installation instructions. The Rancho Ford F-150 suspension system is covered by the Rancho brand’s limited lifetime warranty. Please visit for additional details and restrictions.

The Rancho brand will celebrate its 60th anniversary in 2015.

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