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Harley Twin Cam, 88 cu in, 3.750 bore, 4.000 stroke, 9.75:1

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AUD$927.27
SKU
M5011
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Harley Twin Cam, 88 cu in, 3.750 bore, 4.000 stroke, 9.75:1

Make

Harley Davidson

Engine Size

88 CI

Model

Twin Cam

Bore (in)

3.75

Stroke (in)

4

Comp Ratio

9.75:1

Dome CC

9.9

Comp Height

1.27

Piston Part Number

M5011

Conrod Part Nmber

PSR6161

Pint Part Number

927-2500-15CP1C

Locks Part Number

927x073 SWL

Rings

RS1110-3750-0

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

More Information
Product Name Harley Twin Cam, 88 cu in, 3.750 bore, 4.000 stroke, 9.75:1
Brands CP Carrillo

Delivery & Freight

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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 bore clearance for the M5011 pistons?

For the M5011 pistons, a typical bore clearance is around 0.0025" to 0.0030". However, it's essential to verify this with your specific engine setup and ensure proper fitment according to the manufacturer's guidelines.

What type of rings are included with the M5011 piston kit?

The M5011 piston kit includes RS1110-3750-0 rings. Ensure to follow the specific ring end gap settings provided with the kit for optimal performance.

What is the compression height of the M5011 pistons?

The compression height of the M5011 pistons is 1.27 inches. This measurement is crucial for maintaining the correct compression ratio and engine performance.

Can the M5011 pistons be used with aftermarket conrods?

Yes, the M5011 pistons can be used with aftermarket conrods, such as the PSR6161. Ensure that the conrod and piston combination maintains the proper clearances and fits within the engine's specifications.

What is the dome volume of the M5011 pistons?

The dome volume of the M5011 pistons is 9.9 cc. This volume plays a significant role in determining the overall compression ratio of your engine.