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″

32 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!

  7. dave shaeffer says:

    I’m planning on purchasing a Magnum crankshaft from you and my engine builder says we need to have the crank checked for straightness after you ship it to us, he has all cranks he installs checked whether its your’s or another companies. What is your opinion on this?

    1. CalliesAnswerTeam says:

      Dave,

      Here at Callies, we believe in being thorough, always! If your engine builder checks all his cranks for straightness, we’d say he’s thorough and that’s a good thing!

      If you or he have any questions about our products, ever, feel free to give us a ring at 419-435-2711!

      Callies Answer Team

  8. Dave Deadman says:

    Hi Tech,
    I am freshening my engine. It is a Steve Schmidt 618 BBC with your Pro I-Beam rods. The motor was built 8-10-2012 and in reading your rod bolts it looks like it’s either BLT160-CA or BLTC1735. They are 6.800 rods. Can you please tell me which rod bolts I need being that is was built in 2012. And can you sell me these rod bolts?
    if you need any further information please don’t hesitate to email me.
    Thank you so much,
    Dave D

    1. CalliesAnswerTeam says:

      Dave,

      Justin will be reaching out to you as he has a few questions before he can recommend a bolt. Thank you!

      Calles Answer Team

  9. Shane Haley says:

    Hi Tech
    I am in the process of building anLS3 for a boat and wish to stroke it to 410 cubes.
    The engine will have a carburetor and the heads will be CNC ported and we want around 700 flwhp
    The max rpm we are wanting to run to is 6750-7000 max
    Can you recommend a rotating ass that will be reliable with the above in mind Thanks

    1. CalliesAnswerTeam says:

      Shane,

      If you could call or email and talk to Jeremy in the office, he’ll have a few more questions for you and then be able to recommend you a set up!

      We can be reached at 419-435-2711 or jrobbins@callies.com.

      Thank you!

      Callies Answer Team

  10. Richard Theriault says:

    I’m looking for help with torque specs for a new set of Comstar rods for a Honda B18C1, ARP 2000 bolt. No paper work provided by customer.
    Numbers on box:
    CSH5433 BS1H1AH
    Below description is written 557 395 162
    Any help with this would be much appreciater
    Richard

    1. CalliesAnswerTeam says:

      Torque for P/N: CSH5433BS1H1AH or C22102

      ARP 2000 Bolts: 55 ft. lbs.
      Bolt Stretch: .0055″-.0065″

      Feel free to call us at 419-4353-2711 or email marketing@callies.com with any other questions!

      Thank you!

  11. Kelly Vandevosse says:

    Hello.I have BBC compstar 6.385 I-beams with ARP 2000-03 and 2000-04 on the rod bolts. I’m looking to replace them .Which bolts do you suggest ? Thanks,Kelly.

    1. CalliesAnswerTeam says:

      Kelly,

      Please look on the end of the rod bolt & find the part # on the bolt head. We’re likely going to recommend part #BLTC170-L19 which is a Connecting Rod Bolt, E Head Style, L19 Alloy, 7/16 in. Diameter, 1.700 in. Underhead Length.

      Please verify the P/N on your current rod bolts so we can be sure.

      Thank you,

      Callies Answer Team

  12. SteviE says:

    Nothing on your Subaru rods ? Are they available ? Ideally with 7/16″ bolt ?

    1. CalliesAnswerTeam says:

      https://callies-performance-products.dcatalog.com/v/Subaru-Info/#page=1

      https://callies-performance-products.dcatalog.com/v/Subaru-2JZ-Ultra-Rod-info/#page=1

      Stevie,

      Above are two seperate links on details about our subaru rods. Part #’s and prices are available here:

      http://www.callies.com/catalog/product/subaru-ej20-ej25/?

      The enforcer rods are at the bottom of that page.

      Also, feel free to e-mail us at marketing@callies.com OR call us at 419-435-2711.

      Thank you!

      Callies Answer Team

  13. john says:

    I have the U15270 rod kit that came with H11 bolts, but would like to use the aged 625 ARP bolts. Do you have the part number for this? or have the specs of the bolts that came with my rod set so I can ask ARP for the aged custom 625 bolt part number.

    1. CalliesAnswerTeam says:

      John,

      The part # you can ask us OR ARP for is the Callies Part Number BLT-160.

      Thank you!

      Callies Answer Team

  14. T. Bertone says:

    What lube should I use on the rod bolts?

    1. CalliesAnswerTeam says:

      If they are Ultra Rods, use ARP Torque Lube (included in the box).
      If they are Compstar rods, use #3 Extreme Pressure Lube (included in the box).

  15. Kevin seymour says:

    I’m building a 436 SBC probably going to start with around 750 to 850 HP. But will increase HP over time once I get used to the car. Going to run nitrous eventually also. recommendations for rotating assembly? I want it to be able to handle 1500 plus. Running PG, 5500 stall and 456 gear thanks!

    1. CalliesAnswerTeam says:

      Kevin,

      We would recommend a Callies Magnum crank & Ultra I beam connecting rods for that build. If you’d like to give us a call at 419-435-2711 we could get the details worked out and put on your order.

      Thank you,

      Callies Answer Team

  16. Kevin seymour says:

    I’m building a 436 SBC dart iron eagle block, AFR 23degree 230cc’s. 750 plus lift solid roller cam in a 75 camaro back half car. Power glide and 456 gears. Probably be around 750 to 850 HP to start but will add significant HP later. Recommendation for rotating assembly.. FYI I plan on adding nitrous thanks.

  17. Kevin seymour says:

    Thanks for the remmemdation didn’t realized you guys replied lol. I’ll definitely give y’all a call!

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