Category: Tech Support

Click to View Rod Small End Width & Thickness Above the Pin


  • Pin end widths
    • SBC/LS1/SBF: 0.988″
    • BBC/BBF: 1.054″
    • GT-R: .988″
  • Thickness Above The Pin
    • H-Beam – SBC/LS1/SBF: 0.195″
    • H-Beam – BBC: 0.225″
    • I-Beam – SBC/LS1/SBF: 0.230″
    • I-Beam – BBC/BBF: 0.245″
    • LW I-Beam – SBC: 0.195″
    • GT-R: .200″
  • Big End Width

What is a Callies “Stealth” Crankshaft?

We often hear the word Stealth used to identify a Callies crankshaft.  This is understandable, since the very first days of Callies Performance Products the word Stealth has been present in both our big and small block Chevy forgings.   In …

What is the proper procedure for installing stud kits?

Installation Instructions:

1. Make sure threads in crankshaft are clean and are good threads.
2. Lightly coat the end of the stud going into the crank with “NEVER-SEEZ” (note: “Never-Seez” is the only material to be used!)
3. Install stud …

Click Here for Proper Torque Specs for Rod Bolts

I’m refreshing my motor but lost my instruction sheet, what are the proper torque specs for Callies rod bolts?


Family Bolt Item # Torque To Bolt Stretch
SB Honda Journal H-Beam BLT135 60 FT.LBS. .0050″-.0057″
SB Std, SJ, LW,

Identifying a Callies Crankshaft via Serial Number

Please provide our technical department with the 5 or 6 digit serial number and they can help you identify your crankshaft.  Since 2000, Callies has an electronic record of all Callies crankshafts produced.  *Callies is not responsible if the dimensions …

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