Muldoon's Diesel Performance
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Bolt In Sprag 


Picture

Broken transmission case 

Pictured Above is a broken transmission case, this occurs from the immense amount torsional stress placed on the cases interference fit sprag race while launching in Drive 1st gear. 
Picture

​Bolt in Sprag 

Installing a bolt in sprag into the transmission case helps to evenly distribute the stresses associated while launching in auto drive first gear when the low/ reverse band is not applied. Although this is not a sure fire way to keep the case intact, it certainly does help. 
Picture

Installation of a bolt in sprag

To install a bolt in sprag, the case must be drilled with the pictured jig. 


​Contact

  • About
  • Products
    • Complete Transmissions
    • Transmission Parts
    • Switched Shifter
    • Muldoon's Merch
    • Dodge Engine Parts & Accessories
    • Specialties / Paddle Shfters
  • F.A.Q.
  • The Video Vault
  • RMA Request
  • Contact
  • Product Instructions
  • New Customer Info
  • Instructional Videos
  • Reviews
  • Dealer Register/Log-In