Your Trusted Engine Rebuilder!

Oregon‘s Most Respected Automotive Machine Shop.

Personalized Engine Services in Oregon

If you are looking for engine rebuilding or restoration services, then you are at the right place. At Portland Engine Rebuilders Inc., we are known for providing high-quality engine services that are tailored to suit a wide range of specific requirements. We use only the best-in-class equipment to offer our services with precision, quality, and efficiency.

Portland Engine Rebuilders Inc


With a state-of-the-art Rottler F67-A CNC 4 -AXIS machining center, we offer precision machine work beyond what is available anywhere else in the area. Every dimension is CNC controlled, and this makes sure of the following.

  • The cylinder bore centerline corrected to blueprint specifications.
  • The deck surface squared based on the crankshaft, camshaft, and centerline.
  • Blueprint dimensions located from crankshaft and camshaft centerlines. Accuracy + – .0002 inch.
  • Mainline housing line bored with CNC accuracy.
  • Lifter bore truing available for all engine families.
  • Crankcase clearance for stroker crankshafts and connecting rod clearance.
  • Specialty flanged sleeving for high horsepower applications.
Portland Engine Rebuilders Inc

ROTTLER HP6A Cylinder Hone

Diamond hone cylinder finishing with computer-controlled finish and size. Its salient features include:

  • Unmatched accuracy
  • Cylinder finish ideal for today’s modern rings
  • Crosshatch angle optimized for bore diameter and length
  • Platen brush finishing for virtually instant ring seal
  • Surface finish “RA” matched to ring type used

Why Chose Us

Our owners, Ron Larson and Ted King are committed to providing only the best engines and machine work. We also provide unmatched customer service and warranty support. Additionally, we have highly skilled and experienced machinists who provide top-quality workmanship, and some have been with us for over 30 years.