Click Here for Proper Torque Specs for Rod Bolts

I am refreshing my motor, but I lost the connecting rod instruction sheet, what are the proper torque specs for my rod bolts?

 

Determining Torque Specs:

Confirm the manufacturing series of your connecting rods

Revision “A” applies to Ultra rods manufactured after May 1st, 2013

 

Ultra

Rod Bolt Material Torque Stretch
**Ultra Values based on use of ARP Ultra Lube**
SBC H & I-Beams (Std,SJ,LW,XD) BLT145 Ultra 80 ft.lbs. .0055″-.0065″
SBC I-Beam (Std, SJ, LW & XD) BLT145-3.5 MP-3.5 88 ft.lbs. .0055″-.0065″
*SBC I-Beam (Std, SJ, LW & XD) BLT145-CA CA-625 85 ft.lbs. .0042″-.0060″
SBC H-Beam (HJ) BLT135 Ultra 60 ft.lbs. .0050″-.0057″
*SBC I-Beam (HJ – Original Design) BLT135-3.5 Ultra 63 ft. lbs .0050″-.0057″
*SBC I-Beam (HJ – Original Design) BLT135-CA CA-625 60 ft.lbs. .0050″-.0057″
SBC I-Beam (HJ – New Design) BLT157-3.5 MP-3.5 58 ft.lbs. .0055″-.0065″
SBF (Ford) I-Beam (Std, SJ) BLT145 Ultra 80 ft.lbs. .0055″-.0065″
SBF (Ford) I-Beam (Std, SJ) BLT145-3.5 MP-3.5 90 ft.lbs. .0057″-.0067″
SBF (Modular 5.933 Ford) I-Beam BLT160 Ultra 75 ft.lbs. .0055″-.0065″
SBF (Modular 5.933 Ford) I-Beam BLT160-3.5 MP-3.5 90 ft.lbs. .0057″-.0067″
LS1 H & I-Beam (Std. & SJ) BLT145 Ultra 80 ft.lbs. .0055″-.0065″
LS1 I-Beam (Std. & SJ) BLT145-3.5 MP-3.5 88 ft.lbs. .0055″-.0065″
*LS1 I-Beam (Std. & SJ) BLT145-CA CA-625 85 ft.lbs. .0042″-.0060″
Nissan GTR BLT160 Ultra 80 ft.lbs. .0055″-.0065″
BBC XD H & I Beam (Std.) BLTC006 Ultra 75 ft.lbs. .0050″-.0065″
BBC H & I-Beam (Std. & SBJ) BLT160 Ultra 75 ft.lbs. .0050″-.0065″
BBC I-Beam (Std. & SBJ) BLT160-CA CA-625 85 ft.lbs. .0050″-.0065″
BBC I-Beam (Std. & SBJ) BLT160-MP35 MP-3.5 90 ft.lbs. .0057″-.0067″
BBF (Ford) I-Beam (Std.) BLT160 Ultra 75 ft.lbs. .0050″-.0065″
*No Longer Offered in new set purchases

Compstar

Rod Bolt Material Torque Stretch
**Compstar Values based on use of Chicago EP3 Lube**
SBC H-Beam (Std. & SJ) BLTC145 ARP 2000 75 ft.lbs. .0040″-.0050″
SBC H-Beam (HJ) BLTC125 ARP 2000 60 ft.lbs. .0054″-.0057″
SBC I-Beam (Std. & SJ) BLTC145 ARP 2000 85 ft.lbs. .0040″-.0050″
LS1 H-Beam (Std. & SJ) BLTC145 ARP 2000 75 ft.lbs. .0040″-.0050″
LS1 I-Beam (Std. & SJ) BLTC145 ARP 2000 85 ft.lbs. .0040″-.0050″
BBC H-Beam (SBJ) BLTC006 L-19 92 ft.lbs. .0050″-.0060″
BBC H-Beam (Std.) BLTC170-L19 L-19 92 ft.lbs. .0050″-.0060″
BBC I-Beam BLTC170-L19 L-19 92 ft.lbs. .0050″-.0060″
BB Mopar 6.760 H-Beam BLTC180 ARP 2000 75 ft.lbs. .0065″-.0070″
Viper 6.250 H-Beam BLTC150-38 ARP 2000 55 ft.lbs. .0055″-.0060″
LSC BLTC150-8740 8740 55 ft.lbs. .0054″-.0057″
SB Ford 5.400 H-Beam BLTC145 ARP 2000 75 ft.lbs. .0050″-.0060″


Ultra Connecting Rods produced prior to Revision A

Ultra Rod Bolt Material Torque Stretch
**Ultra Values based on use of ARP Ultra Lube**
SBC I-Beam (Std, SJ, & LW) BLT145 Ultra 75 ft.lbs. .0042″-.0052″
SBC H-Beam (Std, SJ, & LW) BLT145 Ultra 80 ft.lbs. .0042″-.0052″
SBC I-Beam (Std, SJ, & LW) BLT145-CA CA-625 93 ft.lbs. .0042″-.0052″
SBC I-Beam (HJ) BLT135 Ultra 53 ft.lbs. .0048″-.0056″
SBC I-Beam (HJ) BLT135-CA CA-625 60 ft.lbs. .0050″-.0057″
LS1 H-Beam (Std. & SJ) BLT145 Ultra 80 ft.lbs. .0042″-.0052″
LS1 I-Beam (Std. & SJ) BLTC145-CA CA-625 93 ft.lbs. .0042″-.0052″
BBC I-Beam (Std. & SBJ) BLT160 Ultra 90 ft.lbs. .0050″-.0060″
BBC H-Beam (Std. & SBJ) BLT160 Ultra 80 ft.lbs. .0050″-.0060″
BBC I-Beam (Std. & SBJ) BLT160-CA CA-625 93 ft.lbs. .0050″-.0060″
BBC I-Beam (Std. & SBJ) BLTC1735 MP-3.5 97 ft.lbs. .0050″-.0060″

12 comments for “Click Here for Proper Torque Specs for Rod Bolts”

  1. Mario says:

    Hi Tec
    What rod do you recommend for bbc drag engine
    6.7 for a 4.750 Stoke 632
    1300 hp aspirated
    15.5 comp
    8000 max rpm
    Auto 3 speed

    1. CalliesAdmin says:

      We’ve sent you an e-mail, Mario!

  2. VICTOR GALVAN says:

    hello I’m building a 427 ls twin turbo that is goig to make about 1600hp i want rods and crank that hold 2000hp
    wich crank and rods i nead to use?
    what part of crank i nead for ls and 4 inch stroke with regular snout and also watch rods
    i friend told me to use APO-31T-MG58
    and the rods U17171
    WHAT IS THE RODS BOLTS THAT THE U17171RODS HAVE?
    CELL 832-435-3179

    1. CalliesAnswerTeam says:

      Victor,

      We will send you an e-mail for more information. Thank you!

  3. Jacques Duperre says:

    Hi Do you have a 540 bbc rotating kit .

    4.500 bore x 4.250 stroke + 6.535 rod length ch. 1.120

    9.4 to 9.8 compression ratio.

    If you have other kit let me know.

    Thanks

    1. CalliesAnswerTeam says:

      Jacques,

      We will send you an email with information on this!

      Thank You!

  4. TRey says:

    Looking for a balanced rotating assembly for an ls7 looking to make a little over 1000 rear wheel horsepower . What options do you have . I haven’t seen the horsepower rating on the Compstar or the DragonSlayer anywhere ? Sticking with a 4.000 crank and running nitrous .

    1. CalliesAnswerTeam says:

      Trey, We will send you an e-mail or please feel free to call us at 419-435-2711!

  5. Mike O’Donnell says:

    I have a 502 cid BBF with Comp star 6.700
    H beam Rods it has ARP 2000 7/16”rod bolts I am looking for proper torq specs for bolts
    I can’t find specs listed in tech section

    1. CalliesAnswerTeam says:

      We have sent you an email with some information! Thank you!

  6. Brent McFeaters says:

    Hi Callies Tech, I’m building a 540 BBC Twin turbo 81mm making around 2500 HP I’m going to use your Callies Magnum Crank but I would like to know what you recommend for Rods that will handle that HP?? Looking for the strongest rod and rod bolts and what part# so can order them!

    Thanks
    1966 Nova SS

    1. CalliesAnswerTeam says:

      Brent,

      Could you shoot an email with this information over to jrobbins@callies.com? He will be able to assist you in making this decision!

      Thank you!

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