Tomei 2.2L/2.3L Forged H-Beam Rods for 4G63 Mitsubishi Evo 1-9
Tomei offers 147mm or 150mm connecting rods for the 4G63 Evo 1-9 2.2L or 2.3L. These H-Beam rods are lightweight, highly rigid at the big end, and feature rib-shaped caps. They are designed to enhance oil supply to the small end through two ports.
Vehicle Fitment:
1992-2006 Mitsubishi Evolution I-IX
(Evo 1/2/3/4/5/6/7/8/9 with 4G63 engine)
| 4G63 | 2.2L Con Rods (TA203A-MT01A) |
2.3L Con Rods (TA203A-MT01B) |
| C-to-C (mm): | 150.00 (OEM ±0.0) |
147.00 (OEM -3.0) |
| BE.BORE×WIDTH(mm): | 48.0 x 26.4 | 48.0 x 26.4 |
| PE.BORE×WIDTH(mm) (Bush inner cir): | 22.0 x 23.0 | 22.0 x 23.0 |
| Material: | SNCM439 | SNCM439 |
| Bolt: | ARP L19 3/8-24 40.0mm |
ARP L19 3/8-24 40.0mm |
| Bearing Size: | INNER DIA. 45.0mm WIDTH 21.0mm |
INNER DIA. 45.0mm WIDTH 21.0mm |
| Weight (g): | 591.0 | 630.0 |
More Info:
These connecting rods transmit the pistons' reciprocating motion to the crankshaft, converting it into rotary motion. High strength is essential to handle the pistons' pressure. They are torsion-resistant and lightweight, matching the strength of I-beam designs. The slant design improves rigidity at the big end, while through-bolts and a smooth shoulder shape enhance overall rigidity. Two ribs increase the connecting rod caps' rigidity, preventing bearing failure from big-end deformation, further supported by large diameter dowel pins. Increased oil supply prevents seizing failure, and offset placement boosts strength against high-revolution pulling. Compared to general ARP2000, these connecting rods have higher fatigue and tensile strength, ensuring a firmer big-end joint.
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