Forged Pistons for Audi 2.5L TFSI (2017-19) 23mm pin, Std Bore 82.5mm, 10:1 (CP Pistons SC7635)
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|
Make |
VW/Audi |
|
Model |
2.5L TFSI (2017-19) |
|
Part Number |
SC7635 |
|
Cylinders |
4 or 5 |
|
Bore (in) |
3.248 |
|
Bore (mm) |
82.5 |
|
Size |
STD |
|
Stroke |
92.8 |
|
Conrod |
144 |
|
Comp Height (in) |
1.165 |
|
Comp Height (mm) |
29.6 |
|
Dom/Dish CC |
-4.01 |
|
Compression Ratio |
10 |
|
Weight (Grams) |
330 |
|
Pin (mm) |
23 |
|
Rings |
CPN-3248 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
905-2250-18CP1C |
|
Upgraded Pin |
905-2250-19CP3C |
|
Ultra Duty Pin |
905-2250-26CP3C |
|
Locks |
905x073 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 2.5L TFSI (2017-19) 23mm pin, Std Bore 82.5mm, 10:1 (CP Pistons SC7635) |
|---|---|
| Brands | CP Carrillo |
| Engine | TFSI |
| Make | VW |
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 SC7635 pistons?
For the SC7635 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, final clearance should be determined by the engine builder based on the specific application and tolerances.
What compression ratio do the SC7635 pistons provide?
The SC7635 pistons have a compression ratio of 10:1. This ratio is suitable for a balance of performance and reliability, but tuning and fuel quality will significantly affect engine performance.
Are the SC7635 pistons compatible with upgraded wrist pins?
Yes, the SC7635 pistons come with standard wrist pins, but they are also compatible with upgraded pins such as the CP Ultra Duty pin for enhanced strength and durability in high-performance applications.
What type of rings are included with the SC7635 pistons?
The SC7635 pistons come with high-performance rings identified as CPN-3248, which are designed to provide optimal sealing and durability under high-stress conditions.
What machining processes are recommended for the SC7635 pistons?
It is recommended to check the bore for proper sizing and to ensure that the pistons fit correctly. Additionally, the engine builder should verify ring gaps and perform any necessary honing to achieve the desired clearances.
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