About Us

Why choose MABBCO MOTORS?  EXPERIENCE – PRECISION – PRIDE

Since its founding in 1964, MABBCO MOTORS has been a leader in providing quality remanufactured engines.   

With over 50 years of EXPERIENCE, MABBCO MOTORS is one of the oldest engine remanufacturing companies in the industry.

MABBCO MOTORS builds the best because MABBCO MOTORS invests in the best equipment available.  Engine blocks are machined on Rottler CNC boring bars and finished honed with Sunnen automatic diamond hones.  Crankshafts are turned on world-class Berco and VanNorman crankshaft grinders ensuring you get the finest in PRECISON and accuracy.

Built in the USA, MABBCO MOTORS goes the extra mile to deliver the quality you expect.  Each MABBCO MOTOR is assembled with PRIDE from start-to-finish by one experienced builder. MABBCO MOTORS has a spin-test machine for engine testing.   

Click the video below to view this process.


MABBCO® MOTORS are extraordinary! They are machined, assembled, and tested by skilled machinist and engine builders, each of whom is authorized to reject any motor, component, or part that fails to meet specification. Quality at MABBCO® is not just a slogan but a way of life that permeates every step in the MABBCO® remanufacturing process.

MABBCO® ENGINE KITS are assembled using the same parts our skilled and experienced technicians use every day to build the long and short blocks sold and warranted by MABBCO®. That's right, you benefit from our years of experience and engine stand testing! When you purchase a MABBCO® kit, you know the parts you are getting are the same parts that have proven reliable in motors built by MABBCO.

MABBCO® Quality

Quality-Affordable Parts - Our volume purchasing of quality parts from leading automotive manufacturers lowers your cost of an Engine Kit or a MABBCO® MOTOR. Some of the manufacturers you may recognize are Melling®, Clevite®, Pioneer®, MAHLE®, U.S. Seal®, Fel-Pro®, Elgin®, King Bearing®, U. S. Tool, U. S. Seal, Silvolite®, NPR®, and Enginetech®.

Engine Inspection & Cleaning - Engines are professionally inspected before and after they are cleaned in environmentally friendly cleaning systems.

Engine Component Preparation - Cleaned engine components are machined with scientifically engineered equipment by skilled technicians.

Block Boring & Honing - Blocks are bored on a Rottler® boring bar and then honed to a plateau finish using diamond cylinder hone to meet the demanding requirements of modern automotive and marine engine technology.

Crankshaft Grinding - Crankshafts are ground on a world-class crankshaft grinder and then -polished.

Cylinder Head Services - Cylinder heads to assure sealing and proper compression, receive a valve job, are milled using CBN technology, and tested before they are released for installation.

Motor Assembly - Once the motor's components are cleaned, machined, and tested they are assembled by skilled and experienced engine builders, with access to computer data bases, to ensure the motor's components are properly built-in accordance with published specifications.