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Warranty Registration and Policy

Professional Products stands behind the quality and performance of each one of our products. We have created this page to help you better understand the expanse and limitations of our warranty policy that covers our entire line of high performance products. Because we sell a wide variety of automotive performance parts, we must apply a special warranty to each item or group of items. Please read below to find the warranty that applies to your specific product. If you have a warranty issue and need to have it addressed, please provide the requested information below and we will assist you in a prompt and courteous manner. Thank you for buying Professional Products. If you need immediate assistance call 323-779-2020 or email You can also visit our forum that has hundreds of threads and post about troubleshooting and tech issues with our Powerjection kits


Only the original retail purchaser is covered and only items purchased from Professional Products or any Authorized Professional Products distributors. Therefore we recommend you register immedietely after purchase.

Intake Manifold 1 Year Warranty

This manifold is warranted to be free from defects in both materials and workmanship for a period of one year from date of purchase, provided that the product is properly installed and subjected to normal use and service and the product is not modified or altered in any way unless specified by our instructions. Customers requiring warranty service should contact the dealer from whom they purchased the manifold. The dealer will contact the factory and we will determine the method of satisfying the warranty. If we determine the product needs to be returned to the factory, the manifold will have to be accompanied by proof of purchase and a specific description of the problem. The product must be returned freight prepaid. If a thorough inspection of the manifold by the factory indicates defects in workmanship or materials, our sole obligation is to repair or replace the product. Warranty applies only to original purchaser.

Electronic Fuel Injection Kits Limited 6 month Warranty

Professional Products offers a 6 month limited warranty from date of purchase on all products in the Powerjection line. This includes any part number in the 70000 series including the built in ECU or Engine Control Unit from part numbers 70020/20021/70026/70027/70028/70029. This excludes all refurbished Powerjection units, refurbished units have a limited 90 day warranty. Certain component parts of the Powerjection kits are limited to a 90 day warranty. Those parts are as follows: Oxygen sensors, throttle position sensors, Idle Air Control, fuel pressure sensors, and coolant temperature sensors. Professional Products warrants to the original purchaser of the product that the product and its component parts will be free of defects in material or workmanship for a period of 6 months or 90 days on listed components. This warranty does not apply to products that have been (a) modified or altered in any way; (b) subjected to adverse conditions such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in applications other than those recommended by Professional Products. Professional Products also does not warrant, and disclaims all liability, for products used in racing activities and/or applications other than those specifically recommended in the current Professional Products Catalog or website.

Harmonic Balancer Limited 1-year Warranty

All Professional Products harmonic dampers have a full 12-month limited warranty from date of purchase. Dampers are warranted from defects in craftsmanship, quality and fitment. SFI dampers are intended for off-road use. Normal wear and tear or catastrophic damage incurred during operation is not covered, nor is replacement parts and/or labor, repair cost incurred after failure. Professional Products also does not warrant, and disclaims all liability, for products used in racing activities and/or applications.

90 Day Limited Warranty

Professional Products warrants to the Original Retail Purchaser that all products manufactured by Professional Products and that are purchased in the United States will be free from defect in material and workmanship. This warranty will extend for a period of 90 days from the date of the original invoice, unless otherwise agreed in writing. Professional products will repair or replace, at their option, any part, assembly or portion thereof which Professional Products examination discloses to be defective. Transportation cost is not included. Disassembly by anyone other than an authorized Professional Products representative voids warranty. The 90 day general limited warranty applies to the items in the product categories herein: fuel pressure regulators, throttle bodies, stainless steel braided line, water pumps, gauges, intake manifold accessories, distributors , ignition coils, ignition box, fuel filters, fuel pump, fuel rail kits. Please read below for further warranty policy information.

This Limited Warranty is extended to the original purchaser only and is not assignable or otherwise transferable. There are no warranties that extend beyond those stated herein. Professional Products offers no warranties, either express or implied, beyond this Limited Warranty. In the event of an alleged defect in material or workmanship, Professional Products' responsibility is strictly limited to repair or replace the defective product. Professional Products has no other obligation either express or implied. Final warranty determination will be at the sole discretion of Professional Products. Professional Products will not be responsible for: (a) actual or alleged labor, transportation or other incidental charges; or (b) actual or alleged consequential or other dam- ages incurred by use of any product of Professional Products.

This warranty sets forth specific legal rights. The consumer may have other rights as a result of variations in state or provincial laws. This Limited Warranty supersedes all prior warranty statements.

Please contact Professional Products for warranty claims. Call 323.306.5067. Have name and proof of purchase information ready. We recommend you register your item online on the above form before making a claim. If requested, please send items back to Professional Products 12600 Daphne Ave. Hawthorne, CA 90250, unless requested to otherwise. All returned items must be accompanied by an RMA number (return authorization number) prior to being sent back. Please mark package with RMA number and make visible. Merchandise must be returned prepaid (with a copy of the original sales receipt) and insured. Also include your name, address, phone number, and a complete explanation of the problem. The product must be properly packaged so that no damage occurs in shipment.

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