DIFtech Front Shock Hats for Nissan 350Z H&R Remote Suspension Mounts 10618-13

DIFtech

  • Fits Nissan 350Z Z33 chassis
  • Fits H&R Street Performance coilovers
  • Spring retainer for 60mm linear race spring 
  • Coaxial design for increased traction and reduced shock blind
  • Hat movement is independent of spring compression axis
  • Increase compression stroke by 1in (26mm) compared to...
$ 365.00
$ 365.00
Tags: / / / /
  • Fits Nissan 350Z Z33 chassis
  • Fits H&R Street Performance coilovers
  • Spring retainer for 60mm linear race spring 
  • Coaxial design for increased traction and reduced shock blind
  • Hat movement is independent of spring compression axis
  • Increase compression stroke by 1in (26mm) compared to stock
  • 6061-T6 aerospace aluminum alloy for extra rigidity and reduced weight
  • FK large 3/4" high-quality spherical bearings
  • Install kit include for H&R Coilovers
  • Custom install kit available (email us for your custom application)
  • Anodized black finish for durability
  • Engineered, tested, and manufactured in the United States

These extended front top hats are designed to adapt 350Z H&R coilovers to a true coaxial setup and to add compression stroke to the shock. The top hat design allows the shock shaft to be tucked higher into the body of the car allowing the shock body to also tuck an additional 1.0in or 26mm more than normal. This results in more shock travel before bottoming out and will increase suspension compliance and traction. The spherical bearing upper mount also eliminates bushing compliance of stock mounts and gives greater control to dampers under high racing loads.

Non-coaxial upper mounts, while very economical for production and fine for street use, leave a lot of available suspension performance on the table. This can be vastly improved by going to a true coaxial setup that separates the upper mount and spring perch. Non-coaxial upper spring location induces bind in the shock shaft increasing friction on the shock piston and also forces the spring to have nonlinear compression rate. Increased friction leads to higher shock oil temperature, additional wear in pistons and seals, and greatly reduces traction at the wheel. This kit will convert the non-coaxial top hats that come with most coilover suspension kits to a true coaxial set-up.

Not designed for use with stock or stock-type springs. Diftech install kit included for use with H&R Street Performance kit and 60mm linear race springs. Springs not included. Install kit includes 60mm upper spring retainer and upper hardware package.

Made in the USA from 6061 billet aluminum. All Diftech upper mounts use high strength FK wide-series bearings with Teflon liners for maintenance free, quiet operation.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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