Harley Evo, 1340cc, 3.498 bore, 4.250 stroke, 10.5:1
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Harley Evo, 1340cc, 3.498 bore, 4.250 stroke, 10.5:1
|
Make |
Harley Davidson |
|
Engine Size |
1340cc |
|
Model |
Evo |
|
Bore (in) |
3.498 |
|
Stroke (in) |
4.25 |
|
Comp Ratio |
10.5:1 |
|
Dome CC |
16.6 |
|
Comp Height |
1.375 |
|
Piston Part Number |
M5007 |
|
Conrod Part Nmber |
N/A |
|
Pint Part Number |
792-2500-14CP1C |
|
Locks Part Number |
787x050 SWL |
|
Rings |
RS1227-3498-0 |
|
Shelf (RPO) or Made to Order (MTO) |
MTO |
Proudly made in the USA by CP Carrillo Pistons!
- Fully CNC machined
- Balanced to +/- 1 gram
- Double forced pin oilers
- Forged from high strength 2618 alloy
- Designed for maximum performance, horsepower and reliability
- Complete kit includes two pistons, ring sets, wrist pins and clips
- Follow ring end gap and piston to cylinder clearances as per the supplied instructions
| Product Name | Harley Evo, 1340cc, 3.498 bore, 4.250 stroke, 10.5:1 |
|---|---|
| Brands | CP Carrillo |
Delivery & Freight
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If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What is the recommended piston to cylinder clearance for the M5007 pistons?
For the M5007 pistons, a typical piston to cylinder clearance is around 0.0025" to 0.0030". However, it's crucial to verify this with your specific engine build and follow the manufacturer's guidelines for optimal performance.
What type of rings are included with the M5007 piston kit?
The M5007 piston kit includes RS1227-3498-0 rings, which are designed to provide effective sealing and performance. Ensure to follow the specific instructions for ring end gap settings during installation.
What are the benefits of using 2618 alloy for the M5007 pistons?
The M5007 pistons are forged from high strength 2618 alloy, which offers excellent durability and resistance to thermal expansion. This makes them suitable for high-performance applications where reliability under extreme conditions is essential.
How should the M5007 pistons be installed in the engine?
When installing the M5007 pistons, ensure that the piston orientation is correct, and use the supplied wrist pins and clips. It's important to follow the recommended torque specifications for the connecting rod bolts and ensure proper lubrication during assembly.
What is the significance of the dome CC of 16.6 for the M5007 pistons?
The dome CC of 16.6 for the M5007 pistons contributes to the overall compression ratio of 10.5:1. This design helps optimise combustion efficiency and power output, but it's essential to ensure that the rest of the engine components are compatible with this compression ratio.
