This item is out of stock at the manufacturer level, and experiencing a known global supply delay. Contact us for the latest availability date estimation.
The Carrillo A-Beam Rod is a lightweight, aerodynamic rod that will get the job done while reducing rotating mass, and improving crankcase widage characteristics. Reducing the mass of the rotating assembly allows the engine to spin more freely with less drag. This lets the engine work more on propelling you faster, and less on turning its clunky components. Carrillo is known for being the best of the best in the connecting rod world.
Carrillo is synonymous with "unbreakable". The A-Beam is not their unbreakable rod, however it IS their LIGHTEST and LEST EXPENSIVE rod or this application. It is the smartest rod choice for an all-motor build due to their light weight and aerodynamics construction.
We carry the entire Carrillo lineup so if you are looking to make more power than this smartly designed A-Beam can handle, please contact us first so we can help you determine the best setup for your build. Carrillo uses proprietary chrome, nickel, moly, vanadium alloy which meets all VAR (vacuum arc re-melt ASTM standards). The heat is validated, both by the supplier and an independent metallurgist whom confirm the desired physical and chemical properties of steel.
All heat treat processes are via a mar-aged operation, resulting in UTS of 195,000 with a yield of 182,000 while maintaining the critical elements of low notch-sensitivity and ductility.
All Carrillo connecting rods are manufactured from an oversized forging resulting in the proper grainflow as well as the surface removal of any potential inclusions or surface conversions generated by the forging process. All critical CNC machines at Carrillo are equipped with probing to accurately validate dimensional integrity. In the production process each part is magnafluxed at least twice, further each piece is Rockwell tested to validate the heat treat procedure. A final shotpeen operation completes the part.
Carrillo employs fasteners jointly designed by Carrillo. We employ two different materials: H-11 tool steel (220,000 UTS) as well as Multiphase TM (285,000 UTS). All our fasteners employ a patented thread design as well as the highest dimensional integrity in the industry. Each lot is sample tested destructively for both ultimate tensile strength as well as fatigue.
The CARRILLO connecting rod is a precision, high strength, quality connecting rod, which when properly installed and maintained, will perform flawlessly in today’s racing and high performance internal combustion engines. We would like to offer some suggestions and specifications that should be helpful in your installation.
Specifications
More Information
Old Part Number
MA-323-1-A-55234H-04 FITMENT2
Item Weight
416 g
Shipping Weight (Dimensional)
6.000000
Clearance Sale
No
Availability
Back Ordered
Part Type
Connecting Rods
Make
Mazda
Model
Miata 90-97 NA
Engine
B6 1.6L DOHC
Rod Length
5.233" / 133mm
Rod Length Oversize
Standard Length
Pin Size
0.787" / 20mm
Brand
Carrillo Rods
Small End Width
0.860
Rod Material
Forged Steel
Rod Bolt
5/16" WMC
Competitor Interchange Part Number
SCR4856
Big End Width
0.86
Big End Bore
1.8903
Beam Type
PRO-A Beam
Carb Legal
Unspecified
Shipping Label
Free Shipping
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