For current members
Click on the Prosis Pro button below and log in with your Prosis username and password. If you forgot your login credentials, please email karen@aera.org

For non-members
If you are not yet an AERA member and would like to try Prosis Pro, click on the Prosis Pro Demo button and follow the instructions. (Must be a member to use the full version.)

Find engine specs fast and easy!

  • Specialized, web-based software designed by engine professionals
  • Over 14,000 engine specifications from 200+ manufacturers
  • Quickly identify blocks, heads, cranks, cams, rods and flywheels by casting number
  • Contains over 3,500 AERA Technical Bulletins
  • Customer database feature allows you to create estimates, work orders and invoices
  • Save time by not having to search through multiple resources to obtain engine information
  • Customize with your company logo and contact information
  • Add custom specs daily without worrying about new operating systems or computers
  • AERA provides daily updates to keep information current and accessible 24/7
  • Optimized for use on mobile devices like smartphones and tablets

Prosis Pro is for AERA members only.
A 30-day free trial is included with membership; additional fee after trial period ends. If you are a new AERA member, you have received a 30-day free trial of Prosis Pro.

Prosis Pro Annual Fees
Single user $530 (outside US $580)
Group 2-10 users $650 (outside US $690)
Enterprise 11+ users $750 (outside US $800)


Tutorials & Webinars

Introduction to Prosis Pro
Covers the basics of Using the Engine Search Fields; Tech Bulletins and Diagrams; Engine Specification Tabs; Compression Calculator; How to Enter Company Contact Information and Logos; Advanced Searches; and Printing Shop Worksheets.

View all the Prosis Pro videos on our YouTube channel


Questions? Email karen@aera.org
Call toll-free 888-326-2372 or direct: 815-526-7600