Engine & Firewall Forward

At Raven we have been providing robust and reliable engine components for many years. We manufacture our parts to exacting standards and they have proven themselves in the field. Our leading product is our inverted oil system which has proven to be reliable and trouble free. All of our systems are powder coated and feature Stainless Steel internal parts that will never corrode.

Click here for more information on our inverted oil systems        Click here for photos of inverted systems and components     Click here for more information on our 6 Cyl Intake systems

We use Stainless 321 tubing and mandrel bend in house. We can build custom high-performance exhaust for almost any aircraft with stock or aftermarket sumps, these include Superior and Titan cold air systems.                            Please email or call for pricing for your aircraft!

Aircraft – Airboat Intake Systems 
Plenum’s are powdercoated Semi-Gloss Black as standard.
6 Cyl Cold Air Intake RSA-5  $1,895
6 Cyl Cold Air Intake RSA-10  $1,895                                   
K series 6 Cyl Cold Air RSA 5/10- $1,995 K series/Angle valve Cold Air System                                                              6 Cyl Exhaust/Intake Kit  (F1/Harmon Rocket)  Click here for more info                                                                 Exhaust systems
6 Cyl Exhaust  $2,495
4 Cyl 4-into-1 Exhaust (Pitts S1, DR 107) $1,995                    4 Cyl 4 into-1 Exhaust (Skybolt) $2,155
4 Cyl 4-into-1 Exhaust (Christen Eagle) $2,155/$2,335 ($2,155 for Eagle’s modified with oil cooler relocated behind left cylinder – $2,335 for Eagle exhaust with oil cooler in stock area * requires fiberglass work*)
Inverted Oil System
Standard Inverted Oil System  $769
Inverted Valve/mount Only  $435
Air oil separator/mount Only  $384
Non Accessory Vac Adaptor  $87
Sump Fitting kit – Straight ftg  $429
Superior 4 cyl Cold Air Sump Fitting kit $429
Sump Fitting kit – 45 Degree  ftg $529
45 degree Swivel Sump Fitting $189
*All sump kit fittings are available individually, inquire for pricing*
Half Raven kit (Includes return fitting) $438
– 10 Mandrel tool – $37.60  
                                                                                                                                                                                                                                                           All pricing in US dollars.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   


By purchasing or obtaining any aircraft, or aircraft related parts or drawings, diagrams purchased/obtained direct, through agents or privately, including previously used parts, or asking and/or receiving any advice, suggestions and opinions verbal or written, or accessing and using any photos, educational or other information either directly, or through all other public sources including the web, forums, and the Raven Aircraft website, you agree to the following:

You do not and will not hold Raven Aircraft, Weldtech Industries or Robert Halas, liable for any, or all aircraft and aircraft related parts, drawings, suggestions and opinions, verbal or written.

You agree that you are 100% responsible to ensure that any and all parts purchased or aircraft and parts built from any drawings, references, suggestions and opinions are airworthy.

You agree that any and all parts, drawings, suggestions or opinions from Raven Aircraft, Weldtech Industries and Robert Halas are provided, without warranty of any kind either expressed or implied.  Raven Aircraft, Weldtech Industries, and Robert Halas, and do not warrant, guarantee, or make any representations regarding the use of or results from the use of any parts, drawings, suggestions and opinion’s in terms of correctness, accuracy, reliability, completeness, fitness for a particular purpose, or otherwise.

Raven Aircraft, Weldtech Industries, and Robert Halas shall not be liable for any loss or injury arising out of or caused in whole or in part by the acts or omissions of, Raven Aircraft, Weldtech Industries and Robert Halas, their personnel, or their sources of information whether negligent or otherwise.

In no event shall Raven Aircraft, Weldtech Industries and Robert Halas be liable for any special, indirect, punitive, or consequential damages with respect to this Agreement.

You hereby hold harmless: Robert Halas, Raven Aircraft, Weldtech Industries, and any employees from any liability or damages to or resulting from any aircraft, occupants, or bystanders related to building or operation of any aircraft or parts.

You agree that any aircraft or parts shall be constructed, maintained, and operated only in strict compliance of appropriate local aviation administration regulations governing the construction, maintenance, and operation of aircraft in their respective Country and Aviation Laws.

All subsequent buyers, heirs, successors or assigns of any complete aircraft, projects, and parts are also bound by all terms of this agreement. In no event shall Raven Aircraft, Weldtech Industries, Robert Halas,  or any employees be liable for any consequential, special, incidental, or indirect damages of any kind arising out of the use of these parts, related parts, drawings, suggestions, advice or opinions.