SSP Max Effort NAG1

Sipple Speed and Performance Max Effort NAG1 Transmission for Dodge vehicles

We only offer one level of transmission the “Max Effort”. These are the race proven, fully built transmissions.

We don’t just throw a bunch of clutches in and hope for the best. There is a reason Sipple’s Max Effort Transmissions lead the lists online, and the winner’s circle at the track.


-This includes the billet input shaft, extra capacity drums and performance frictions, and high pressure performance valve body.


  • 300M Input Shaft
  • High Pressure Valve Body
  • New Conductor Plate
  • Reman Pump
  • New Output Shaft
  • Extra Capacity In K1, K2, K3, B2
  • Performance Frictions/Steels
  • Heavy Duty F1, F2 Sprags
  • New Seal Kit


  • 2005-14 LX cars
  • 2006-13 Jeep WK1 & WK2


  • 2wd
  • 4wd


Shipping via Freight

Our transmissions and transfer cases are shipped via freight.

You will not be charged for shipping at checkout. We will contact you when your order is ready to ship with the best freight rate for your shipping timeframe.

Orders will not ship until payment for freight is received.

We do not ship internationally. International shipping is the responsibility of the customer.

For more information on SSP freight shipping policy, please see our knowledge base article: SSP’s Freight Shipping Policy.