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MXR 4340 H-beam forged connecting rods for Porsche 912 and 356
The kit includes four forged, titanized MXR connecting rods made from SAE 4340 chrome-molybdenum steel. The H-beam profile and dimensions are designed for use in Porsche 912 and 356 engines.
The connecting rods are CNC machined. The seats are finished to a tolerance of +/- 0.005 mm, and the connecting rod cap alignment guides ensure correct component alignment during assembly. Each connecting rod is subjected to magnetic-comparison testing, X-ray inspection, and sonic testing.
Technical specifications
- Mark: MXR
- Material: forged SAE 4340 chrome-molybdenum steel
- Type: H-beam
- Number of connecting rods: 4 pieces
- Mounting screws: ARP 2000, 5/16", included in the set
- Rated power: 200 HP per unit
- Highest turnover: 9000 rpm
- Balancing: up to +/- 1 g for each connecting rod
- Finishing and inspection: hardening and shot-peening
- Certificates provided in the source: TÜV PRODUCT TEST and TÜV ISO 9001 CERTIFIED
Connecting rod dimensions
| Parameter | Value |
|---|---|
| Center-to-center dimension | 136 mm (5.354") |
| Diameter of the large end | 57 mm (2.244") |
| Big end width | 19.6 mm (0.772") |
| Diameter of the small end | 22 mm (0.866") |
| Small end width | 25.3 mm (0.996") |
Application
- Porsche 912 ALL, from 1976
- Porsche 356 1.1L, 1948–1955
- Porsche 912 356 2.0
Before purchasing, please compare the connecting rod dimensions with your specific engine requirements. A confirmed OEM/OE number is not provided for this product. Professional installation is recommended.
Helpful information before purchasing
This is a set of four forged MXR 4340 H-beam connecting rods for select applications in the Porsche 912 and 356. Before ordering, please verify the model, engine version, and the compliance of the dimensions provided: center-to-center length, diameter, and width of both ends of the connecting rod.
The most important information
- Material: Forged SAE 4340 chrome-molybdenum steel.
- H-beam profile, center-to-center length 136 mm.
- The set includes 4 connecting rods and ARP 2000 5/ bolts16".
- Balancing to +/- 1g per connecting rod.
- There is no confirmed OEM/OE number provided for this product.
Contents of the set
The confirmed contents of the kit are four connecting rods and ARP 2000 5/ mounting bolts.16". ARP L19 bolts are indicated as optional at extra cost and are not a confirmed part of the basic kit.
Frequently asked questions
How do I check if a part fits?
Please compare the application with your existing Porsche 912 or 356 and verify all listed connecting rod dimensions and engine-specific requirements. The source indicates the Porsche 912 ALL from 1976, the Porsche 356 1.1L from 1948–1955, and the Porsche 912 356 2.0.
Is the product ready for assembly?
The set includes connecting rods and ARP 2000 5/ bolts16", However, the source recommends professional installation. The scope of additional installation steps should be determined for the specific engine.
Does the offer include a complete set?
The offer includes 4 connecting rods and ARP 2000 5/ bolts16". Optional ARP L19 bolts are available at additional cost.
Why is it worth buying from Multigenus?
- Ships from European warehouse for selected offers
- Final price within the EU, excluding customs and import surcharges
- 14 days to return in accordance with EU law
- Pre- and post-purchase support
- The product is described in a way that makes it easier to choose the right variant