Rod Bolt Torque Specs

If you lost the connecting rod instruction sheet, below are the proper torque specs for our rod bolts

 

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″