Cobra Engineering LLC

Cobra Engineering LLC is proud to announce our
collaboration with Boundary Racing Pumps!

These are products that are stocked.
If your looking for something else e-mail me.

Install Instructions
Future Development
Useful Links
Price List

MM-3V Oil Pump Assembly w/ Billet Back Plate

The Mod Motor oil pump from Boundary utilizes the Ford 3V housing, and comes installed with our mirror finish billet gears. The 3V housing includes the largest pump gears and provides the most flow of any of the available pumps (DOHC and early SOHC). This will provide a boost in mid-range and low end engine protection, as well as the larger gear being stronger.

All assembled billet pumps undergo the following:

  • Pump is completely taken apart, all parts under go ultrasonic cleaning, air blast, and hand inspection.
  • Pump is hand de-burred.
  • Our industry leading mirror finished billet gear set is used
  • Stainless Torx heads replace the stock fasteners
  • All fasteners are torqued to spec
  • Loctite applied to fasteners to prevent back out or loosening
  • Anaerobic sealant applied to critical areas to boost pump up speed and reduce aeration.
  • Assembly lubricant applied to all critical surfaces to get oil flowing fast on startup
  • Parts are blue printed and issued with specification sheet.

Pump is plug and play for all 15/16ths pickup tube vehicles and requires no additional lubrication or work. Bolt on and go!



Billet Oil Pump Gears for 3V pump

Boundary oil pump gears are 100% manufactured in our Dallas, Texas production facility. We start by quenching our chromoly billets from extreme heat and then temper it to tough indestructible core. After machining we apply our ColdFlow surface hardening process and complete it to a Mirror Finish. What does all this give you? It gives you a pump with stability over 9000 RPM, proven in excess of 2000whp, with higher efficiency, less friction, and backed by one of the industries best warranty’s.

Oil Pump Gear Features

  • Mirror Finished and Surface Hardened

  • Surface Ground gears for the ultimate in fitment and performance

  • Indestructible chromoly core

  • Inner and outer gear machined in matched sets

  • Our own race inspired gerotor design for flow and strength

  • Each set hand, machine, and hardness inspected with Blueprinting Report


Billet Crank Sprockets

Billet Crank Sprockets from Boundary follow the same heritage as our oil pump gears, manufactured 100% in house with US sourced materials. These sprockets start with a chromoly steel that is 10 times stronger then the OEM powdered metal, hot quenched with a low temper for the highest strength and resistance to wear.

  • All sprockets heat treated to maximum hardness while maintaining toughness
  • Precision CNC machined and broached for snug accurate fit
  • Dimensions checked after machining and after heat treating for guaranteed fit.
  • High finish reduces friction and chain vibration
  • New tooth geometry strengthens teeth and keyway

Keyway Options