Adracing Racing Engine Performance 75mm Stroker Crankshaft Manufacturer 4340 Billet Crankshafts For Subaru EJ20 EJ25 Crankshaft
Adracing Racing Engine Performance 75mm Stroker Crankshaft Manufacturer 4340 Billet Crankshafts For Subaru EJ20 EJ25 Crankshaft
Adracing Racing Engine Performance 75mm Stroker Crankshaft Manufacturer 4340 Billet Crankshafts For Subaru EJ20 EJ25 Crankshaft
| Adracing Racing Engine Performance 75mm Stroker Crankshaft Manufacturer 4340 Billet Crankshafts For Subaru EJ20 EJ25 Crankshaft | |
| Material | 4340 Billet Steel |
| Application(s) | For Subaru EJ20 EJ25 |
| Engine(s) | EJ20 EJ25 |
| MOQ | 3 PCS |
| Packing | 1pc/strong multi-ply wooden box |
| Dimensions | |
| Stoke |
75mm/79mm/81mm/83mm/Custom |
| Main Jourual Diameter | **mm |
| Rod Jourual Diameter | **mm |
Applications:
| EJ20 EJ25 |
For Subaru EJ20 EJ25 |
Technical Features
- Full CNC Machining
- Multi-step heat treatment process
- Knife-edged counterweights
- Gun drilled crank pin and counterweights to reduce weight and rotating mass
- Micro-polishing for longer bearing life
- Heating treatment: HRC34-38
- Peening treatment will be done after balance weight
- Magnetic flaw detecting will be done according to standard JB/76729-93
Difference between Forged steel crankshaft and billet crankshaft:
- Forged steel crankshaft need to machine balance hole to keep good balance result
- Billet Crankshaft can get good balance by different design on counterweight. and Surface on counterweight will be more beautiful
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