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Rear Spoilers / Aerofoil

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DISPLAYING 1 to 16 (of 23 products)
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TK339BLCKSET
Product Information
Product Information
Singer Look rear spoiler set to mount on the 964 engine lid.

Set Includes:
Singer Look rear spoiler (high-quality GRP construction)
 Black powder-coated aluminium air inlet grille (CNC-milled)
 Macrolon rear spoiler plate

Fits:
Porsche 964 1989 - 1994

Transform your Porsche 911 into a timeless masterpiece with this Singer Look rear spoiler set, crafted for style, performance, and precision. This complete package includes the Singer Look rear spoiler, a black powder-coated aluminium air inlet grille, and a Macrolon plate, combining authentic design cues with lightweight modern materials.

The rear spoiler replicates the elegant, sculpted lines of the iconic Singer-style 911s, designed to fit Porsche 964 models. Constructed from high-quality GRP (glass-reinforced plastic), it offers strength, lightness, and excellent fitment for both restorations and custom builds. The grille, CNC-milled from aluminium, features a durable black powder-coated finish—delivering both durability and an understated, refined appearance.

 The Macrolon plate, made from high-grade polycarbonate, provides a lightweight, impact-resistant finish to the spoiler’s upper section, ensuring functionality without compromising the classic look.

Please note: This part is on special order terms. It will be made to order that could take 6-8+ weeks. It is not a subject to cancellation or return if not required.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TK339BLCKSET
TK339
TKZ40C
TKZ339

The product you are viewing cross references to these numbers
TK339BRSHSET
Product Information
Product Information
Singer Look rear spoiler set to mount on the 964 engine lid.

Set Includes:
Singer Look rear spoiler (high-quality GRP construction)
 Brushed aluminium air inlet grille (CNC-milled)
 Macrolon rear spoiler plate

Fits:
Porsche 964 1989 - 1994

Add a touch of race-inspired elegance to your Porsche 911 with this Singer Look rear spoiler set, featuring a GRP spoiler, brushed aluminium grille, and Macrolon plate. Precision-built for 964 models, it combines lightweight performance with timeless Singer style.

The rear spoiler, inspired by the legendary Singer 911, is built from high-quality GRP (glass-reinforced plastic) for excellent strength, lightness, and fitment.

The CNC-milled aluminium grille in a brushed finish adds a motorsport-inspired aesthetic, complementing both classic and custom builds. The Macrolon plate, made from durable polycarbonate, enhances the spoiler’s function and provides a sleek, lightweight finish.

Please note: This part is on special order terms. It will be made to order that could take 6-8+ weeks. It is not a subject to cancellation or return if not required.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TK339BRSHSET
TK339
TKZ40A
TKZ39

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TK339PLSHSET
Product Information
Product Information
Singer Look rear spoiler set to mount on the 964 engine lid.

Set Includes:
Singer Look rear spoiler (high-quality GRP construction)
 Polished aluminium air inlet grille (CNC-milled)
 Macrolon rear spoiler plate

Fits:
Porsche 964 1989 - 1994

Enhance your Porsche 911 with this Singer Look rear spoiler set, combining timeless design with precision craftsmanship. This premium set includes the Singer Look rear spoiler, a polished aluminium air inlet grille, and a Macrolon plate, delivering an elegant and performance-focused upgrade for your classic 911.

The rear spoiler, styled after the legendary Singer 911, is expertly crafted from high-quality GRP to ensure strength, light weight, and a perfect fit for Porsche 911 964 models.

The CNC-milled aluminium grille features a polished finish, providing a bright, refined appearance that complements both classic and modern builds, while the Macrolon plate adds lightweight durability and a sleek finish to the spoiler assembly.

Please note: This part is on special order terms. It will be made to order that could take 6-8+ weeks. It is not a subject to cancellation or return if not required.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TK339PLSHSET
TK339
TKZ40A
TKZ39

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91150510030KIT
Product Information
Product Information
You can now turn your 911 into the classic RSR WIDEBODY Look.

The kit includes the RSR widebody look Front bumper, Rear bumper / Rear duct tail engine lid.

The panels are made in the Germany and are high quality.

Fits:
Porsche 964 widebody

Material:
Made from Fibre Glass GRP

Product Type:
Replica

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91150510030KIT
91150510030

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96462412100/1
Product Information
Product Information
Ball bearing for rear spoiler transmission gear.

Fits:

Porsche 964 C2 / C4 / RS 1989-94
Porsche 993 1995-98

A sealed high quality SKF ball bearing for use in the Porsche 964 and 993 rear spoiler mechanism. The sealed bearing will stand up to the harsh environment in the engine compartment.

You will need one of these to get rid of a grinding noise when the rear spoiler is raised or lowered, a money-saving DIY instead of buying a complete mechanism from Porsche.

We have an article for changing this ball bearing, please CLICK HERE

Fits to number 7 on the diagram

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96462412100
96462412100
11901

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E196.216
Product Information
Product Information
Billet rear decklid hinges - Adjustable.

rennline

Fits:
Porsche 964/993 1989-1998

Tired of inserting shims to line up your rear decklid? Us too. Now easily adjust your decklid to the correct position in minutes with these Rennline 2 Piece Billet Rear Decklid Hinges. Built for quick and painless setup, these hinges allow for microadjustments to ensure smooth operation of the rear decklid. Machined from billet aircraft grade aluminum and clear anodized, they come with all necessary hardware including cnc machined brass bushings.

Additionally we can supply adapter brackets that allow you to install an early (1964-1989) decklid onto your 964/993. Just select the Early option in the drop down.

E322
Product Information
Product Information
Rennline decklid rear spoiler. 

Fits:
Porsche 964 - 1989 to 1994

Rennline’s new ducktail spoiler is a great way to give your 964 an OEM+ look with a modern spin on the classic Porsche design. 

Made from hand laid carbon fibre using state of the art manufacturing techniques for a factory fit and finish.

  • High quality construction, using the latest technologies
  • Carbon Fibre is hand laid with a high gloss UV protectant finish
  • CAD designed using 3D scans of the factory decklid
  • Modeled after the iconic Porsche ducktail design
  • Uses pre-installed industrial grade 3M VHB adhesive to install
  • OEM fit and finish



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E322
96451201700

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TKZ40
Product Information
Product Information
This CNC-milled aluminium air inlet grille is designed to perfectly fit the Singer Look rear spoiler (#TK339) for Porsche 964 models. Crafted with precision for optimal airflow and refined aesthetics, it combines modern quality with timeless Porsche styling.

Fits:
Porsche 964 (1989- 1994) with Singer Look rear spoiler

Available in three finishes to match your build:
  Brushed aluminium – for a classic motorsport look
•  Polished aluminium – for a mirror-like, premium appearance
•  Black powder-coated aluminium – for a sleek, understated finish

Durable and lightweight, this grille enhances both cooling performance and visual appeal — the perfect finishing touch for your Singer-style 911 conversion.

Please note: This part is on special order terms. It will be made to order that could take 6-8+ weeks. It is not a subject to cancellation or return if not required.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TKZ40
TK339
TKZ40A
TKZ40B
TKZ40C

The product you are viewing cross references to these numbers
TKZ39
Product Information
Product Information
Macrolon plate for Singer rear spoiler.
Green tinted macrolon plate with holes to be mounted between the Singer look 964 rear spoiler and the Aluminium grille.

Fits:
Porsche 964

Please note: This part is on special order terms. It will be made to order that could take 6-8+ weeks. It is not a subject to cancellation or return if not required.

Related reference numbers
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TKZ39
TKZ39

The product you are viewing cross references to these numbers
Special Order item
96451221
Product Information
Product Information
Mounting Plate For Rear Spoiler.


Fits:
Porsche 964 Carrera 2 / 4 1989>>1993
Porsche 964 Carrera RS 1991>>1993
Porsche 964 Turbo-Look 1989>>1993
Porsche 993 Carrera 2 / 2S 1994>>1997
Porsche 993 Carrera 4 / 4S 1994>>1997

Diagram Ref No 20 And 20A



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96451221
96451221100
96451221200

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P964DCTL
Product Information
Product Information
Rear Duck Tail (Ducktail) Spoiler.
Material: Fibre Glass

fibretek

Fits:
Porsche 964 1989-94 (none turbo cars)

You will require early 911 grille and fitting kit to fit this spoiler.
Please CLICK HERE to view the grille.
Please CLICK HERE to view the fitting kit.
CFDUCKTAIL
Product Information
Product Information
Rear duck tail (Ducktail) RS spoiler, Carbon fibre.

Fits:
Porsche 911 / 930 / 964 1965 - 1994

Average weight: 3.50 Kgs

Please note:
Requires the grill - not included in price
This product may require minor modifications in order to adapt it to your vehicle.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

CFDUCKTAIL
91150530050
P911DCTL

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99351212100/1
Product Information
Product Information
Protection shield, replace that cracked one before all the dirt and water get into the engine.

oematch

Fits:
Porsche 964 1989-94
Porsche 993 1994-97

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99351212100
99351212100

The product you are viewing cross references to these numbers
Special Order item
96451246700
Product Information
Product Information
Rear spoiler plate desk pad. Sold each.

porsche

Fits:
Porsche 964 C2 / C4 / RS 1989-94
Porsche 993 1995-98

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

96451246700
96451246700

The product you are viewing cross references to these numbers
TK339
Product Information
Product Information
Transform your Porsche 964 with this beautifully crafted Singer Look rear spoiler, designed to mount directly onto the factory 964 engine lid. Inspired by the timeless design language of Singer Vehicle Design, this spoiler delivers a perfect blend of classic aesthetics and modern craftsmanship.
Constructed from high-quality fibreglass (GRP), it offers a lightweight yet durable solution ideal for restomod or custom projects.
The spoiler includes two removable blinds and an integrated rack for securing the lamella (air slats), maintaining an authentic and functional appearance.

Fits:
Porsche 964 1989 - 1994

A matching aluminium grille is available upon request and can only be ordered in combination with this spoiler — offered in brushed, polished, or black powder-coated finishes for a personalized touch.

Please note: This part is on special order terms. It will be made to order that could take 6-8+ weeks. It is not a subject to cancellation or return if not required.
TK79-964
Product Information
Product Information
Rear Spoiler/Aerofoil 3.8 RS Bi-Plane Porsche 964

fibreglass

Fits:
Porsche 964

Material
Made from Fibre Glass GRP

Product Type:
Replica

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TK79-964
964220512964

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DISPLAYING 1 to 16 (of 23 products)
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About Rear Spoilers / Aerofoil

Porsche Rear Spoilers & Aerofoils | Performance, Stability & Design Enhancement

Rear spoilers and aerofoils are key aerodynamic components designed to increase downforce, improve stability, and enhance the distinctive styling of your Porsche. Whether you’re replacing a damaged spoiler, upgrading to a lightweight performance aerofoil, or transforming your vehicle’s exterior for a sportier stance, these parts combine aerodynamic precision with visual appeal.

At Design911, we supply a comprehensive range of high-quality rear spoilers and aerofoils, crafted from advanced materials such as carbon fibre, fiberglass, and composite alloys for maximum strength and minimal weight. Designed for precision fitment, these components deliver improved handling, reduced lift, and a more aggressive aesthetic that reflects Porsche’s racing heritage.

Suitable for classic 911s through to modern 992, Cayman, and Boxster models, our rear spoilers ensure a perfect balance of performance, design, and durability for every application — from restoration to motorsport preparation.

What Do Rear Spoilers and Aerofoils Do?

A rear spoiler or aerofoil manages airflow over your Porsche’s body to enhance stability, grip, and aerodynamic efficiency. By reducing lift and increasing rear downforce, it ensures consistent traction and improved high-speed performance.

Core Functions:

  • Increases rear downforce for enhanced stability and control.
  • Reduces aerodynamic lift and drag at high speeds.
  • Improves traction during cornering and acceleration.
  • Directs airflow for better cooling efficiency.
  • Adds a distinctive motorsport-inspired aesthetic.

A well-engineered spoiler doesn’t just look stunning — it directly contributes to safer, more predictable handling and optimal balance under load.

Why Do Rear Spoilers and Aerofoils Fail or Deteriorate?

Rear spoilers are exposed to aerodynamic pressure, vibration, and environmental conditions, which can lead to wear and damage over time.

Common Causes of Failure Include:

  • UV degradation leading to fading or cracking of materials.
  • Impact damage from debris or rear-end collisions.
  • Corrosion or fatigue in metal mounting brackets.
  • Loose fittings causing vibration or misalignment.
  • Paint wear or delamination on carbon fibre surfaces.

If neglected, a damaged or unstable spoiler can cause aerodynamic imbalance, increased drag, and even safety concerns at higher speeds — making timely replacement or upgrade essential.

Why Replace Your Rear Spoiler or Aerofoil?

Replacing a worn or damaged rear spoiler ensures aerodynamic integrity and restores your Porsche’s original performance and appearance. Upgrading to a modern or motorsport-style aerofoil can further enhance downforce, aesthetics, and handling precision.

Key Benefits:

  • Restores aerodynamic balance and rear stability.
  • Improves cornering grip and high-speed control.
  • Enhances vehicle appearance with performance styling.
  • Lightweight materials for improved performance efficiency.
  • Precision-engineered for seamless installation.
  • Ideal for restoration or track-focused upgrades.

Whether you prefer a classic ducktail design, GT-style rear wing, or a carbon fibre adjustable aerofoil, our range of Porsche rear spoilers ensures you achieve the perfect blend of heritage and performance.

Highlights:

  • Premium Porsche rear spoilers and aerofoils for all models.
  • Engineered for aerodynamic performance and design accuracy.
  • Lightweight carbon fibre, fiberglass, or composite construction.
  • Direct-fit replacement or upgrade options available.
  • Ideal for both street and track applications.
  • Restores performance while elevating exterior styling.

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