I. Owner's and Installer's Responsibilities

STOP! Compare cylinder head purchased to you original cylinder head, sensors location, bolt patterns, etc before installation. Have you checked or replaced the following? Radiator, water pump, thermostat, belts, hoses, fan and coolant temperature sensors, exhaust system and catalytic converter, oil pump, oil cooler and lines, oil pump pick up screen, torque converter, transmission and related components, distributor and or related timing pick-ups, modules, oxygen sensors, fuel filters, EGR valves, fuel regulators, etc. This is not an unconditional warranty against all hazards and failures. The products distributed by Heads Unlimited are warranted to the original installing dealer and vehicle owner against defects in parts or factory workmanship, providing proper installation methods are performed by a licensed or certified repair facility and their technicians. No warranty on do-it-yourself installations or repairs! This is a non-transferable warranty unless Heads Unlimited’s Customer Service Department is notified in writing and the vehicle is in service for no longer than twelve months and the fee set forth below is paid with all transfer information properly completed. Heads Unlimited does not assume responsibility on behalf of the installing dealer, their technicians, and parts transferred from original engine, or unauthorized repair work. Additional installer and owner’s obligations; after engine has been driven for 500 miles engine oil and filter must be changed. It is mandatory that all engine fluids be routinely changed, maintained and checked for proper levels as described within. It is also mandatory to change the oil and filter every 4,000 miles according to O.E.M. specifications. All costs of these services are the owner's obligations and should be documented with strict repair or maintenance records. Engine coolant must be maintained and checked for proper levels and protection. Coolant must be changed every 24 months or 30,000 miles or which ever comes first. Warranty will not cover rotted freeze plugs. Warranty information must be completed and mailed to Heads Unlimited within 14 days after invoice date. Installing shop and owner of the vehicle must accurately fill out all warranty information and retain a copy of the warranty. All initial warranty notifications must be made through installing dealer. Failure to perform these conditions set forth herein voids the warranty. Warning! If you replace your old engine or cylinder head(s) and do not check the above items mentioned for cause of failure, chances are any replacement can fail again! Take time out to determine the actual cause of the failure to insure your customer trouble free operation of this replacement unit.

II. Limited Warranty

Remanufacturer warrants to their Distributor and Original Purchaser that their remanufactured Engine or Cylinder head(s) shall be free of defects from materials and or workmanship, when properly installed by a trained technician, and used for normal use and service for the periods of time or distance from original date of purchase or which ever occurs first. Subject to the following terms and conditions listed below. Note: Installing dealer must provide proof of purchase (warranty registration number) before any authorization of alleged warranty work is performed. Installing dealer must notify Heads Unlimited to obtain work order authorization, NO EXCEPTIONS. No claims shall be honoured if prior notification has not been obtained. Heads Unlimited reserves the right to have any and all alleged warranty parts inspected prior to claims being honoured. Money due under this warranty will be distributed after inspection has been made. Repairs or replacement will be made within a reasonable time, after receipt of goods deemed to be defective, enters our facility. Heads Unlimited reserves the right to have any and or all parts inspected by their original manufacturer for warranty determination. Any parts discarded by installing dealer for warranty claims will not be honoured for reimbursement.

Warranty does not cover and is void as a result of abnormal operating temperatures (this includes melted or missing heat tabs that are adhered to the engine or cylinder head to monitor the operating temperatures). In addition the following criteria will void the warranty: accident, racing, lack of proper lubrication, misuse, detonation/pre-ignition, improper or contaminated fuel, and or oil, thrust bearing wear due to transmission related components or problems, faulty/rotted freeze plugs due to lack of cooling system maintenance and or ground straps and vehicle modifications that can damage the engine. Detonation/pre-ignition damage includes but is not limited to melted or broken pistons, rings, damaged cylinder head(s) and their related parts. Causes include inoperative or malfunctioning computer and or emissions control and ignition devices, clogged catalyst or exhaust systems, etc. Modifications include but are not limited to superchargers, computer PROM changes, over sized tires or anything that will alter the performance of the vehicle from its O.E.M. status. Gaskets that are not supplied or installed by Heads Unlimited are not covered by this warranty.

Warranty does not cover towing, vehicle rental, oil, oil filter, Freon, antifreeze, incidental, special consequential or exemplary damages resulting from loss of time, or use of the vehicle, or for any service not expressly provided herein, relating to or arising from products supplied by Heads Unlimited. Repairs or replacements do not extend or renew length of warranty, nor does it apply fault.

III. Limited Warranty Period

* Engine warranty: parts and labour for 12 months from the date of installation, or 20,000 km, whichever comes first.
* Cylinder head warranty: parts and labour no charge for the first 3 months from the date of  installation; parts (excluding labour) no charge for subsequent 9 months, whichever comes first.
* Labour will be paid at a rate of $35.00 per hour to a maximum of $450.00.
* No warranty payout shall exceed the total amount of the original invoice before taxes.

Warranty is not applicable to racing, performance, commercial, industrial or marine applications.