Forged Pistons for Audi/ VW, 2.0L TFSI 21mm pin, 83.5mm, 9.5:1 (CP Pistons SC7642)
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|
Make |
Audi/VW |
|
Model |
2.0L TFSI |
|
Part Number |
SC7642 |
|
Cylinders |
4 |
|
Bore (in) |
3.287 |
|
Bore (mm) |
83.5 |
|
Size |
+1.0mm |
|
Stroke |
92.8 |
|
Conrod |
144 |
|
Comp Height (in) |
1.165 |
|
Comp Height (mm) |
29.6 |
|
Dom/Dish CC |
-12.3 |
|
Compression Ratio |
9.5 |
|
Weight (Grams) |
296 |
|
Pin (mm) |
21 |
|
Rings |
CPN-3287 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
827-2250-16CP1C |
|
Upgraded Pin |
827-2250-20CP3C |
|
Ultra Duty Pin |
827-2250-25CP3C |
|
Locks |
827x063 SWL |
CP pistons are compatible with oversized valves and high lift camshafts. CP Pistons represent the highest quality and is engineered for maximum power. Standard features include: Deep valve reliefs accommodate high lift camshafts; Larger valve reliefs for +1mm valve sizes; Custom skirt cam and barrel design; Accumulator grooves; High strength aluminum forgings; High performance rings; Fully CNC machined and balanced to +/- 1 gram; Wrist pins included at no additional cost; Double pin oilers force fed from oil ring groove; Pin lock grooves for easy lock removal; Pin fitting included.
| Product Name | Forged Pistons for Audi/ VW, 2.0L TFSI 21mm pin, 83.5mm, 9.5:1 (CP Pistons SC7642) |
|---|---|
| Brands | CP Carrillo |
| Engine | TFSI |
| Make | VW |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
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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 bore clearance for the SC7642 pistons?
For the SC7642 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, this can vary based on the specific application and the builder's preferences. Always consult with your engine builder for the best fitment.
What type of rings are compatible with the SC7642 pistons?
The SC7642 pistons use CP rings, specifically the CPN-3287 set. Ensure that the ring gaps are set according to your application, considering factors like boost levels and operating temperatures.
Can the SC7642 pistons handle high boost applications?
Yes, the SC7642 pistons are designed for high-performance applications and can handle increased boost levels. However, reliability will depend on proper tuning, fuel quality, and overall engine assembly. Always ensure that your engine is built to support the intended power levels.
What is the weight of the SC7642 pistons and how does it affect performance?
The SC7642 pistons weigh 296 grams each. Lighter pistons can improve engine response and reduce reciprocating mass, which can enhance performance. However, ensure that your conrods and crankshaft are also rated for the intended RPM and power levels.
Are the SC7642 pistons suitable for use with upgraded valve sizes?
Yes, the SC7642 pistons feature deep valve reliefs that accommodate oversized valves and high lift camshafts. This design allows for greater airflow and performance potential in modified engine setups.
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