Lost your kit instructions?  Want to check a torque or stretch value?
Enter your kit number in the field below and click “Submit.”
Important: if you have an aftermarket connecting rod 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 | K1Rechnologies.com | 
| Lunati | +1 (662) 892-1500 | LunatiPower.com | 
| Manley | +1 (732) 905-3366 | ManleyPerformance.com | 
| MGP | +1 (719) 219-3107 | MGPConnectingRods.com | 
| Molnar Technologies | +1 (616) 940-4640 | |
| Ohio Crankshaft | +1 (937) 548-7113 | OhioCrank.com | 
| Oliver | +1 (616) 451-8333 | OliverRacingParts.com | 
| Pauter Machine | +1 (619) 422-5384 | Pauter.com | 
| R&R Machine | +1 (941) 621-8143 | RRConnectingRods.com | 
| Saenz | +1 (305) 602 0283 | SaenzGroup.net | 
| Scat | +1 (310) 370-5501 | ScatCrankshafts.com | 
| SoCal Diesel | +1 (661) 775-5620 | SoCalDiesel.com | 
| Spool Imports | (07) 5645 1333 | SpoolImports.com | 
| Swanson | +1 (574) 858-9406 | SPMTitaniumRods.com | 
| Wagler Competition Products | +1 (812) 636-0391 | email Wagler | 
| Wossner | +1 (865) 862-5264 | WossnerPistons.com | 
| ZRP Europe | +30 2108251640 | ZRP-rods.com |