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H&R 29239-5 Street Performance Coilover Kit Mono-Tube Adjustable Lowering

(2005-2012 Porsche 911)

Part of: H&R Street Performance Coil-Over Kit

Other options in this family: H&R 29510-1 H&R 50751 H&R 50356-2 H&R 28827-11 H&R 51656

Manufacturer

Picture for manufacturer H&R

Part Number

29239-5
8 reviews
Sale Price

$2,637.00

Estimated ship date Wednesday, December 23

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Fitment guaranteed

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Product Details

The H&R 29239-5 Street Performance Coilover Kit delivers an exceptional balance of daily-driver comfort and serious performance handling. Engineered with a true mono-tube gas shock design, this coilover system provides superior damping control and consistent performance characteristics compared to conventional twin-tube units — while also reducing unsprung weight for more responsive handling.

Each shock is custom-valved to work in harmony with a precision-wound, progressive-rate coil spring, resulting in a suspension system that stays compliant over rough roads yet firms up progressively when pushed hard. The fully threaded shock body — a true threaded design, not a damper insert in a threaded housing — allows for improved heat dissipation and offers a wide, adjustable ride height range. Spanner wrenches are included for straightforward height adjustments with the wheels removed.

Hand-assembled in Germany under strict ISO 9001 and TÜV standards, H&R coilovers are blueprinted as complete systems from the ground up, not modified OEM components. This kit is designed specifically for vehicles equipped with the factory PASM (Porsche Active Suspension Management) system. Note: Installation of this kit will disable the PASM system. A professional alignment is required after installation.

Key Features:

  • Mono-tube gas shock construction for precise damping response and reduced unsprung weight
  • Fully threaded shock body for superior heat dissipation and near-infinite ride height adjustability
  • Precision-wound progressive-rate springs custom-matched to shock valving
  • Approximate front and rear lowering range: 1.0" to 2.25"
  • Spanner wrenches included for easy height adjustment
  • Hand-assembled in Germany to ISO 9001 and TÜV standards
  • Designed for vehicles equipped with factory PASM (disables PASM upon installation)
  • 2-year warranty to original purchaser

The H&R 29239-5 coilover kit is the ideal upgrade for drivers who want a lower, more aggressive stance without sacrificing the ride quality needed for everyday driving.

Products specifications

Fits

2005-2012 Porsche 911

Front Lowering

1.0 - 2.25in

Rear Lowering

1.0 - 2.25in

Approx. Rear Lowering

1.0 - 2.25

Approx. Front Lowering

1.0 - 2.25

Great Price fast shipping, I can't complain.

Great transaction. The bike rack was about $90 less than a local retailer, and shipping was faster than promised. I wish all internet retailers were this reliable and useful.

very happy

It was easy to order and the truck bed extender we bought was the lowest price we could find! However, the shipping charge was higher than what was posted on the comparison sight. Nevertheless, it still came in under the next highest price from a different vendor.

did not have accurate pictures for product so have to go off of part number only product came on time and as expected at good price

Order arrived quickly and was exactly as described. Great prices and service!

Very fast shipping and price is rite

Fast service, great prices, highly recomended retailer.

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