Forged Pistons for Hyundai, 2.0L G4KF, 86.5mm, 9:1 (CP Pistons SC7486)
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|
Make |
Hyundai |
|
Model |
4B11 2.0L |
|
Part Number |
SC7486 |
|
Cylinders |
4 |
|
Bore (in) |
3.406 |
|
Bore (mm) |
86.5 |
|
Size |
+0.5mm |
|
Stroke |
86 |
|
Conrod |
146 |
|
Comp Height (in) |
1.181 |
|
Comp Height (mm) |
30 |
|
Dom/Dish CC |
-5.9 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
315 |
|
Pin (mm) |
22 |
|
Rings |
CPN-3406 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
866-2250-15CP1C |
|
Upgraded Pin |
866-2250-20CP3C |
|
Ultra Duty Pin |
866-2250-25CP3C |
|
Locks |
866x063 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 Hyundai, 2.0L G4KF, 86.5mm, 9:1 (CP Pistons SC7486) |
|---|---|
| Brands | CP Carrillo |
| Engine | G4KF / 4B11T |
| Make | Hyundai |
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 SC7486 pistons?
For the SC7486 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, the final clearance should be determined by the engine builder based on the specific application and tolerances.
What compression ratio do the SC7486 pistons provide?
The SC7486 pistons provide a compression ratio of 9:1 when used in the Hyundai G4KF engine. This ratio is suitable for a balance of performance and reliability, but tuning and fuel quality will impact overall performance.
Are the SC7486 pistons compatible with high lift camshafts?
Yes, the SC7486 pistons feature deep valve reliefs designed to accommodate high lift camshafts, making them suitable for performance builds that require increased valve lift.
What type of wrist pins are included with the SC7486 pistons?
The SC7486 pistons come with standard wrist pins (part number 866-2250-15CP1C) included at no additional cost. Upgraded and ultra-duty pins are also available for those seeking additional strength.
What is the weight of the SC7486 pistons?
Each SC7486 piston weighs approximately 315 grams. This lightweight design contributes to improved engine response and performance, especially in high RPM applications.
