K1 Technologies Connecting Rods
All Sport Compact Engines
K1 offers two different types of connecting rods made from Forged 4340
Steel and Billet 4340 Steel. Proprietary bolts produced by ARP to K1
specification have asymmetrical threads to equally load each thread when under
pressure. Connecting rods are shot peened for improved fatigue life and are
finished in the USA using our state of the art Sunnen hones. Housing bore
tolerances of +/- .000050” (50 millionths) match some of the tightest accepted
tolerances in the industry.
The rods have double bridged caps to reduce housing bore distortion and there is
no ridge between the blades acting as a stress riser. Rods are weight-matched to
+/- 1 gram and boxed with the individual rotating, reciprocating, and total
weights conveniently noted for balancing. A special wrist pin bushing material
is also used with these assemblies offering optimal friction reduction.
Billet 4340 Steel H Beam connecting rods. Closely monitored material mechanical
properties for optimum performance. Designed and finish honed in the USA. Sizes
held to some of the tightest tolerances in the industry, +/- .0001” and +/- 1
gram per end. Shot peened for improved fatigue life. Bronze wrist pin bushings.
- 2-piece forging for increased strength
- Multi stage heat treated process
- X-rayed and magnafluxed
- Precision alignment sleeves positively locate the rod cap, maintaining
- Exclusively using ARP 2000 fasteners.
CUSTOM RODS: Don't See Your Engine Below? No Worries!
We have the capability to make custom connecting rods made to
YOUR EXACT SPECIFICATIONS! If you do not see a connecting rod listed below for
your application or would like special weights or widths, please
our Technical Engineers will design a custom set of rods built to your exact specifications.
email us: (985) 956-7009
Our K1 Price
PROMISE To You!
We try to make sure our prices are the lowest around,
but if you happen to find them for less on someone else's site, please send
email with the link - we can often sell them to you for much