Thinking about buying a GM crate engine? Stop! Before you visit your local Hummer car dealer to inquire about a crate engine, read what other engine installers say about our remanufactured Hummer H1 engine. Whether you are looking to repair, restore or upgrade your Hummer H1 car truck van or SUV, we have the perfect Hummer engine for your automotive project and budget. We source the best that the industry has to offer for cylinder heads, crate engines, remanufactured custom engine solutions that are just right for your Hummer H1. Hummer classic car restoration enthusiasts will find lots to inspire and spark the imagination, including the past Hummer models. We do not recommend installing a Hummer used engine on your antique or classic car. Instead, get the HiPerformer Hummer H1 engine long block and save time, money and hustle. The Hiperformer hot tested engine will equip your Hummer H1 with power and performance for many years. Get back on the road with confidence. Get only the advanced HiPerformer Hummer motor for your automobile!

We build superior Hummer automotive engines and make it available to you at approximately 50% off the Hummer dealer price. Our Hummer H1 discount motors come with a 7-year or 100,000 mile warranty. Do you know any Hummer engine rebuilder or dealer that can bit this promise? Probably, not. Our remanufactured Hummer H1 engine's warranty exceeds by far the original manufacturer warranty provided by GM dealers nationwide. We encourage you to visit your local Hummer dealers and compare our pricing, quality and warranty on a Hummer H1 engine. We also encourage you to visit our testimonials page and read what other Hummer H1 engine buyers think about our HiPerformer engine, its quality and most important the world-class customer support offered by the HiPerformer team. Buy your rebuilt Hummer H1 engine with confidence knowing your Hummer engine block was manufactured by top-notch certified machinists, all the moving parts have been replaced with new Hummer parts and finally the Hummer motor passed a rigorous testing to comply with the OEM specifications of GM.

Whether you are looking for Hummer H1 engine blocks or complete engines, HiPerformer Auto N' Marine Engines are a cut above. For all your GM engine solutions and parts, rebuild, cylinder heads and used engines, GM manufactured, OEM crate engines are all on offer. V6 or V8 Hummer H1 passenger car/truck engines to give you the torque and on-demand performance you demand from a highly responsive and versatile Hummer H1 vehicle can be found on our Hummer engine pages. Find a wide range of remanufactured Hummer H1 long engine blocks and cylinder heads, for some of the older 1968-1980 Hummer automobiles or late models. Our current Hummer customers tell us the HiPerformer Hummer H1 motor is the best option available on the market. If you really love your Hummer car, delivery truck or sport utility vehicle, you must install the highest quality engine on your H1. After installing the new engine, you may ship your old Hummer H1 engine block back to us for the core deposit refund, sell it to a local salvage yard, scrape yard or Hummer core engine supplier.