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Timbren Industries FR1504E Rear Suspension Enhancement System Kit

Manufacturer

Timbren Industries

<h3>About Timbren Industries</h3><p>Timbren Industries is a privately held, family-owned company headquartered in Whitby, Ontario, Canada, with a story rooted in a single bold idea: that vehicle suspensions could — and should — work better. Founded in 1968 when entrepreneur Arnold Heron acquired the North American patent rights to a novel hollow rubber spring design known as &quot;Aeon,&quot; Timbren has spent more than 55 years turning that insight into a lineup of suspension upgrade products trusted by weekend haulers, fleet operators, and off-road enthusiasts alike. The company name itself is a nod to family roots — a combination of the names of Arnold's two children, Tim and Brenda.</p><h3>The Aeon® Rubber Spring Advantage</h3><p>At the heart of every Timbren product is the proprietary <strong>Aeon® hollow rubber spring</strong>. Unlike conventional steel leaf springs, which operate at a fixed linear rate, or air suspension systems that require ongoing pressure monitoring and maintenance, Aeon® springs feature a <strong>progressive spring rate</strong> — meaning they work harder as the load increases. The result is a suspension that stays calm and controlled under heavy towing or hauling, yet rides smoothly when the truck is empty. The self-damping properties of the rubber also act similarly to a shock absorber, cushioning road impacts without any additional components.</p><p>This &quot;install it and forget it&quot; philosophy is a key reason Timbren has earned a loyal following. There are no air lines to route, no pressure gauges to check, and no risk of a sudden air leak leaving you stranded with an unstable load on the highway. Every SES kit is engineered to bolt directly onto factory suspension mounting points, making most installations achievable in a driveway without specialty tools.</p><h3>Product Lineup: From Work Trucks to Off-Road Trails</h3><p>Timbren's flagship <strong>Suspension Enhancement System (SES)</strong> product line covers a vast range of vehicles — from compact SUVs to heavy-duty pickups and commercial rigs. The <a href="/13739-timbren-industries-suspension-rubber-helper-spring-kit-14989">Suspension Rubber Helper Spring Kits</a> represent the core of this lineup, replacing OEM bump stops with Aeon® springs that actively engage under load to level the vehicle, reduce squat, and improve towing stability. For trucks equipped with traditional leaf spring rear suspensions, Timbren's <a href="/13739-timbren-industries-leaf-helper-spring-15009">Leaf Helper Springs</a> integrate cleanly with the existing pack to add progressive-rate support without altering ride height when unloaded.</p><p>For drivers who prefer or already run an air suspension setup, Timbren's <a href="/13739-timbren-industries-air-suspension-helper-spring-15005">Air Suspension Helper Springs</a> can complement the existing system, providing a reliable rubber backup that adds stability regardless of air pressure fluctuations. Off-road enthusiasts will appreciate the <a href="/13739-timbren-industries-suspension-multi-purpose-bump-stop-15895">Suspension Multi Purpose Bump Stops</a> — Timbren's Active Off-Road Bumpstop line — which soften the bone-jarring jounce that occurs when a vehicle bottoms out on rough trails, keeping occupants comfortable and suspension components protected. Timbren also produces <a href="/13739-timbren-industries-coil-spring-support-10882">Coil Spring Support</a> solutions for vehicles with independent front and rear coil suspension setups, broadening their coverage across modern truck and SUV platforms.</p><h3>A Legacy Built on Innovation and Reliability</h3><p>Timbren's products have found their way onto everything from daily-driver pickups to Mack and Kenworth big rigs, a testament to the scalability and durability of the Aeon® design. The company backs every SES kit with a <strong>Lifetime Warranty</strong> and a 100-Day Satisfaction Guarantee, reflecting decades of confidence in the technology. Whether you are towing a fifth-wheel camper, hauling a contractor's payload, or navigating rocky back-country trails, Timbren Industries offers a suspension solution engineered for the real world — not just ideal road conditions.

Part Number

FR1504E
07/11/2036 8:45 PM
Sale Price

$269.36

In Stock (7)

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Product Details

The Timbren Industries FR1504E is a rear suspension enhancement system designed for 2015-present Ford F-150 trucks (both 2WD and 4WD models). This innovative kit replaces the factory bump stops with engineered Aeon hollow rubber springs that provide progressive load support up to 6,000 lbs capacity.

Key Features:

  • Progressive spring rate technology - automatically adjusts to load conditions
  • Zero maintenance design - no air lines, no pressure checks, no leaks
  • Simple bolt-on installation in under 30 minutes with basic hand tools
  • No drilling required - direct replacement for factory jounce stops
  • Maintains factory ride height when unloaded
  • Includes powder-coated steel mounting brackets and all necessary hardware
  • Lifetime warranty coverage against defects in materials and workmanship

Performance Benefits:

  • Eliminates rear-end sag when towing or hauling heavy loads
  • Reduces trailer sway and improves roll stability
  • Absorbs road shocks and automatically adjusts to uneven loads
  • Maintains level ride whether loaded or unloaded
  • Durable enough for off-road use

The FR1504E kit features precision laser-cut steel brackets with black powder-coated finish for long-lasting durability. The hollow rubber spring design provides a set-it-and-forget-it solution that requires no ongoing adjustments or maintenance. Note: This system increases spring rate but does not increase GVWR - always stay within manufacturer load ratings.

Products specifications

Grade Type

Performance

Prop 65 Yes/No

No

you cancelled my first order 487750 with no explanation? But I really need these rotors so I guess i'll tolerate it for now.

Easy search, found what I needed quickly.

great !

easy shopping

easy , good price, instant 20% discount freight, hopefully will fit my 1985 chevy el camino v6 4.3 liter and delivered on time. thank you

Thanks

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