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This is the first level of horsepower increase for the pre-CCRS Mack Etech engine. These injectors can be identified by a fuel return hole located directly below the fuel inlet hole on the injector body. Stage 1 injectors frequently improve fuel economy and generate about a 10% horsepower increase with virtually no smoke. These are reman injectors requiring that the old cores be returned.
CORE CHARGE: You will not be assessed a core charge at the time of purchase. However, a core charge of $50.00/injector will be applied to your credit card account if the core is not returned within 30 days. Please refer to our "Core Policy"
for FREE CORE RETURN details.
SHIPPING: Please refer to our "Shipping Policy "to determine if an order qualifies for FREE FREIGHT.
Fell free to call our parts department at 800-891-8038 with any questions or if a conflict should occur.
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