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Aftermarket Connecting Rod Manufacturers

If you have aftermarket connecting rods with an ARP bolt, please use the chart below to contact the rod manufacturer for the stretch/torque value. The calculation of those values is solely up to the rod manufacturer.

Rod Manufacturer Tech Support # Website
Argo +61 (02) 4934 7099 (Australia) argorace.com.au
Arrow Precision +44 (0) 1455 234200 arrowprecision.com
Bill Miller +1 (775) 887-1299 bmeltd.com
Brian Crower +1 (619) 749-9018 briancrower.com
CAT +1 (626) 330-1999 catpep.com
Callies +1 (419) 435-2711 callies.com
Crower +1 (619) 661-6477 crower.com
Dyers +1 (815) 657-9970 dyersrods.com
Eagle +1 (662) 796-7373 eaglerod.com
EARP Machine +1 (928) 428-3835  
GRP +1 (303) 935-7565 grpconrods.com
Howards Cams +1 (920) 233-5228 howardscams.com
K1 Technologies +1 (440) 497-3100 k1technologies.com
Lunati +1 (662) 892-1500 lunatipower.com
Manley +1 (732) 905-3366 manleyperformance.com
Molnar Technologies +1 (616) 940-4640
Ohio Crankshaft +1 (937) 548-7113 ohiocrank.com
Oliver +1 (616) 451-8333 oliver-rods.com
Pauter Machine +1 (619) 422-5384 pauter.com
RPM +1 (562) 926-9188 rpmmachine.com
R&R Machine +1 (815) 465-6741 rrconnectingrods.com
Saenz +1 (305) 717-3422 saenzgroup.net
Scat +1 (310) 370-5501 scatcrankshafts.com
Swanson +1 (574) 858-9406 spmtitaniumrods.com
Wagler Competition Products +1 (812) 636-0391 email Wagler
Wossner +1 (865) 862-5264 wossneronline.com
ZRP Europe +30 2108251640 zrp-rods.com
Technical Support
You can always call us with your questions, but you can use these resources to try and find an answer first.






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800-826-3045 or 805-339-2200