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The VMAC250 injector is the third level of performance injector for the Mack E7 VMAC I & VMAC II engines. This third level performance injector will give about 40 percent increase to both the '91-'93 E7 300 and the '94 E7 325 and 350; about a 50 percent increase for the '94-'97 E7 300, approximately a 15 percent increase of the '91-'93 E7 350 and 400, about a 20 percent increase for the '94-'97 E7 400, 427, (and '94 454), and about a 10 percent increase for the '95-'97 E7 454. On their own the VMAC 250 injectors provide a dramatic horsepower increase, but the horsepower gains are substantially more when used with a Blixxton-Mack performance module. A performance turbo kit can be purchased to take advantage of the additional power by improving engine responsiveness and vastly reducing the amount of smoke that may be generated by radical horsepower increases. 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 old cores are 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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