top of page

Machined from a solid piece of aluminum and assembled with Jr Race Car machined components, the ZR-4 Engine is a fast, reliable, and proven winner. 
Designed to run 7.90 with a 500+ lbs. package at sea level.


  • Carburetor
  • Intake
  • Header
  • Fuel pump/filter
  • Air Filter

ZR-4 3-3/4" Racing Engine

SKU: ZRE-8000
GST Included |
Please call to confirm Price and ETA
    bottom of page