Promar Precision Engines, based in Paterson, New Jersey, has over 35 years of experience as engine rebuilders and is committed to the highest quality products and services offered in the industry.

Promar Precision Engines is a professional engine remanufacturing company serving customers worldwide with a complete line of rebuilt engines / remanufactured engines, cylinder heads, crankshafts, engine restoration services and engine components for:


PaymentWe accept Business Checks, Certified Bank Checks, Cash, Money Orders, Paypal and All Major Credit Cards. All funds must be in United States currency (US Dollars).

Shipping & DeliveryFREE SHIPPING and FREE CORE PICKUP in the United States with the exception of Alaska, Hawaii, all off-shore U.S. territories and possessions.

Shipping options are available for customers outside of the United States.

No core deposit is required but a core must be returned. By purchasing our product you agree to have the appropriate, rebuildable core ready for pickup or paid for in full within 30 days. After 30 days your warranty will be voided and you will be charged market value for your core. Please call for immediate pickup.

In-stock products usually ships the same or next business day.

For more information please feel free to call toll free Monday-Friday 8am-5pm EST @ 1-800-422-6022 or email us info@promarengine.com