Harley Evo, 1340cc, 3.498 bore, 4.250 stroke, 9.75:1
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Harley Evo, 1340cc, 3.498 bore, 4.250 stroke, 9.75:1
|
Make |
Harley Davidson |
|
Engine Size |
1340cc |
|
Model |
Evo |
|
Bore (in) |
3.498 |
|
Stroke (in) |
4.25 |
|
Comp Ratio |
9.75:1 |
|
Dome CC |
12.1 |
|
Comp Height |
1.375 |
|
Piston Part Number |
M5000 |
|
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, 9.75:1 |
|---|---|
| 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 M5000 pistons?
For the M5000 pistons, a typical piston to cylinder clearance is around 0.0025" to 0.0035". However, it's crucial to verify this with your specific engine build and ensure proper machining is done to achieve the desired clearance.
What type of rings are included with the M5000 piston kit?
The M5000 piston kit includes RS1227-3498-0 rings, which are designed to provide optimal sealing and performance. Make sure to follow the manufacturer's specifications for ring gap settings during installation.
How should I prepare the M5000 pistons before installation?
Before installation, ensure that the piston skirts are properly lubricated, and check for any burrs or imperfections. It's also advisable to verify that the wrist pins fit snugly and that the pin oilers are functioning correctly to ensure proper lubrication.
What is the maximum recommended RPM for the M5000 pistons in a performance application?
While the M5000 pistons are designed for high performance, the maximum RPM will depend on your specific engine setup, tuning, and other components. Generally, it's advisable to keep the RPM within the limits of the engine's design and ensure all components are matched for reliability.
