H2 Supply Co dyno chart
H2 Supply Co.

2007.5-2021 EZLYNK 6.7 CUMMINS CUSTOM TUNING

$650.00$585.00

2007.5–2021 6.7L Cummins Custom Tuning – EZ Lynk Support

Custom tuning support for 2007.5–2021 6.7L Cummins applications using the EZ Lynk platform.

Available in both:

  • SOTF (Switch-On-The-Fly)
  • Single Tune Options

Compatible with:

  • CCV SOTF Cables
  • CSP OBD SOTF Cables

You MUST load the correct tune file that matches the cable installed on the truck. Steering wheel control SOTF options are also supported.

Please note: TUNING FILES ONLY

  • 2018+ Cummins trucks require a bypass cable
  • Bypass cable sold separately
  • Flash device sold separately
  • Switch-on-the-fly cable sold separately 

After purchase, you will receive a follow-up email requesting the vehicle information needed to build your custom calibration.

Power Levels

  • 0–220HP
  • VGT & NON-VGT setups supported

4 Week Support

Available Options:

  • SOTF 0–220HP
  • Single Tune 0–220HP

Includes:

  • Revisions available up to 4 weeks after link date

Please Note:
Special tuning functions are NOT included with 4 Week Support.

Lifetime Support

Available Options:

  • SOTF 0–220HP
  • Single Tune 0–220HP

Includes:

  • Lifetime free revisions
  • Modification additions included
  • All special tuning functions included

Special Functions Included:

  • Lope Idle
  • Limiters
  • Turbo Hiss
  • Rumble Idle
  • 12V Idle
  • Dual Fuelers

68RFE Transmission Tuning Included

Features:

  • Fully customizable strategy
  • Compatible with:
    • RevMax
    • Randy’s
    • SunCoast
    • Aus-Tex
    • Tier One
    • Most major aftermarket transmission setups

Tuning Adjustments Include:

  • Increased line pressure
  • Early lock-up strategies
  • TCC lock-up pressure gain
  • Full manual shifting capabilities
  • Support for tuneless or tunable valve body setups
  • Revised shift strategy to reduce sluggish shifting
  • Locked or unlocked TCC shifts
  • Earlier downshifts with less throttle input
  • Optimized torque management
  • Under Drive Pulse Off
  • And much more

Important Notes

  • AISIN transmission tuning is extra and NOT included
  • 68RFE transmission tuning IS included with purchase