Connecting Rod Bolts
ARP Connecting Rod Bolts
Replacing the connecting rod bolts with high performance items should be the first step in the upgrade. A production cylinder block fitted with stock rod bolts may work fine in a performance street application, but when the horsepower output of the engine progresses well beyond stock, a stock bolt-related failure becomes much more likely. The installation of stronger connecting rod bolts is especially true if you have added a tuner, larger injectors, camshaft or a bigger turbocharger. Any of these engine modifications can send cylinder pressures through the roof and place much more strain on the bottom end components.
Connecting rod bolts are the most important fasteners in an engine, and also the most highly stressed, due to the tremendous alternating tension and constant cycling they must endure during each rotation of the crankshaft. The big end of the rod is repeatedly distorted to an oval shape, actually flexing the rod bolts, and then returned to a round shape as the crank continues through each cycle. A machinist should install new rod bolts at the same time the connecting rods are being resized.
These ARP High performances replacement rod bolts are available for a broad range of engine applications. These applications range from stock replacement, diesel engines, circle track, drag racing engines and marine applications. KLM performance offers several grades of high performance rod bolts are available.
Choose the vehicle specific ARP Rod Bolts that will be sure to stand up to the degree of modifications anticipated. Remember that during rod cap installation; the rod bolts stretch as they are torqued. These Rod bolts are categorized as a Torque To Yield Bolt. The exact amount of rod bolt elongation is determined with a specialized tool called a stretch gauge. The increased length of the rod bolt can accurately be measured during tightening. Rod Bolts must be rechecked during subsequent rebuilds to determine if they have stretched beyond safe limits and replacement is required.
ARP Diesel Engine Connecting Rod Bolt Kit Applications:
- Chevy/GMC 6.6L Duramax 2001 to 2004 LB7, Chevy/GMC Duramax 2004.5 to 2005 LLY, Chevy/GMC Duramax 2006 to 2007 LBZ, Chevy/GMC Duramax 2007.5 to 2010 LMM, Chevy/GMC Duramax 2011 to 2015 LML/LGH
- Dodge Cummins - 1988 to 1993 Dodge, 1994 to 1998 12V Dodge Ram, 1998.5 to 2002 Dodge Ram 24V, 2003 to 2007 Dodge Ram
- Cummins 4BT 3.9L Diesel 4 Cylinder Rod Bolt Kit
- 1999 to 2003 Ford 7.3L Powerstroke, 2003 to 2007 Ford 6.0L Powerstroke, 2008 to 2010 Ford 6.4L Powerstroke
ARP’s product line contains thousands of part numbers and has expanded to include virtually every fastener found in an engine and driveline. If you don't see the product you are looking for, please feel free to contact us at 203-210-7200 for more information.
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