TOMEI
Tomei FORGED H-BEAM CONROD KIT NISSAN A12
Tomei FORGED H-BEAM CONROD KIT NISSAN A12
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Highest quality, stronget A12 Connecting rods! Made to win the race!!
Balance of Strength and light weight.
Maintaining the rigidity of both the large end and small end.
Reduction in the rod from buckling under high stress loads.
Small Ends Structure.
Balance of inertial mass.
The connecting rod bolt to withstands high tensile stress loads.
The selection process between both I-Beam & H-beam design is usually decided upon the weight, buckling strength & production costs for the conrods. We have designed & made conrods for Nissan RB,SR,VQ, Mitsubishi 4G, Subaru EJ & also for Toyota 3S, 1J & 2J engines. We chose to aim for overall strength while maintaining a light weight design.
The strength of the connection is raised with the design aspects of the meting face of the rod. This minimizes the chances of elliptical deformations caused when under serious stress loads from serious power applications and thus maintaining the correct conrod bearings clearances.
The oil cap bush now has 2 holes for oil to enter for lubrication.
This bush experiences high load whilst providing oil hole from the top of the bar when the upper piston pin is pressed down when the conrod rises. Unlike other aftermarket conrod designs our H-Beam conrod design does not have the oil feed in the center of the rod from the big end. This way the center is solid for maximum strength.
Conrod bolts are ARP “Custom Age 625 Plus” for even more fatigue / tensile strength and overall durability compared to other applications come with ARP “L-19” conrod bolts. The bolt size 5/16 provides a secure fastening and much improved reliability while avoiding weight gain at the big end.
The SNCM439 material is normally used only when considerably high rigidity is required. High strength conditions are key elements for the conrod. Nickel was also added for extra tension resistance.
The lightest weight possible without compromising the conrods strength for high power use.
The ARP Molybdenum grease is highly resistant against heat and pressure, enabling a accurate torque figure when tightening the fastener.
The connecting rod exerts a very large force to transfer the combustion pressure received by the piston to the crankshaft. In addition, the balance of the inertia mass greatly affects the smoothness of the engine rotation and the durability at high rotation because it becomes a moving part integrally with the piston.
In response to the high durability required from the high rotation speed of A12 tuning in recent years, TOMEI connecting rods meet the requirements such as strength and balance.
PRODUCT INFO
| APPLICATION | P/N | NOTE | |
|---|---|---|---|
| NISSAN A12 | 125010 |
FEATURE / SPEC
| CONROD | CONROD BOLT | CONROD BEARING | |||||
|---|---|---|---|---|---|---|---|
| Length | L.Diam*Length | S.Diam*Length (Bush Inner Cir) |
Materiak | Bolt Size | Height Under Neck | Inner Circum | Bearing Width |
| 121.5mm | φ48×24.3mm | φ17.5×22.5mm | SNCM439 | 5/16 | 38.1mm | φ45mm | 19.5mm |
Development Thema
H-BEAM DESIGN
The selection process between both I-Beam & H-beam design is usually decided upon the weight, buckling strength & production costs for the conrods. We have designed & made conrods for Nissan RB,SR,VQ, Mitsubishi 4G, Subaru EJ & also for Toyota 3S, 1J & 2J engines. We chose to aim for overall strength while maintaining a light weight design.
SECURED CONNECTION STRENGTH
The strength of the connection is raised with the design aspects of the meting face of the rod. This minimizes the chances of elliptical deformations caused when under serious stress loads from serious power applications and thus maintaining the correct conrod bearings clearances.
STRUCTURE OF THE SMALL END
The oil cap bush now has 2 holes for oil to enter for lubrication.
This bush experiences high load whilst providing oil hole from the top of the bar when the upper piston pin is pressed down when the conrod rises. Unlike other aftermarket conrod designs our H-Beam conrod design does not have the oil feed in the center of the rod from the big end. This way the center is solid for maximum strength.
CONROD BOLTS
Conrod bolts are ARP “Custom Age 625 Plus” for even more fatigue / tensile strength and overall durability compared to other applications come with ARP “L-19” conrod bolts. The bolt size 5/16 provides a secure fastening and much improved reliability while avoiding weight gain at the big end.
SNCM439 METAL
The SNCM439 material is normally used only when considerably high rigidity is required. High strength conditions are key elements for the conrod. Nickel was also added for extra tension resistance.
ULTRA LIGHT WEIGHT
The lightest weight possible without compromising the conrods strength for high power use.
ARP MOLYBDENUM GREASE INCLUDED
The ARP Molybdenum grease is highly resistant against heat and pressure, enabling a accurate torque figure when tightening the fastener.
