Forged Pistons for Toyota 4AGE 20V 82 9:1 ( CP Pistons SC7657)
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|
Make |
Toyota |
|
Model |
4AG 20V |
|
Part Number |
SC7657 |
|
Cylinders |
4 |
|
Bore (in) |
3.228 |
|
Bore (mm) |
82 |
|
Size |
+1.0mm |
|
Stroke |
77 |
|
Conrod |
122 |
|
Comp Height (in) |
1.208 |
|
Comp Height (mm) |
30.7 |
|
Dom/Dish CC |
-9.3 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
288 |
|
Pin (mm) |
20 |
|
Rings |
CPN-3228 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
787-2250-16CP1C |
|
Upgraded Pin |
787-2250-18CP3C |
|
Ultra Duty Pin |
787-2250-24CP3C |
|
Locks |
787X050 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 Toyota 4AGE 20V 82 9:1 ( CP Pistons SC7657) |
|---|---|
| Brands | CP Carrillo |
| Engine | 4AGE |
| Make | Toyota |
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 compression ratio for the SC7657 pistons in a Toyota 4AGE 20V?
The SC7657 pistons are designed to achieve a compression ratio of 9:1 when used in the Toyota 4AGE 20V engine. Ensure that your engine's overall setup, including head gasket thickness and combustion chamber volume, is compatible to maintain this ratio.
What bore size do the SC7657 pistons accommodate?
The SC7657 pistons have a bore size of 82mm, which is suitable for a +1.0mm oversize application. Ensure that your engine block is properly machined to this specification for optimal performance.
What type of wrist pins are included with the SC7657 pistons?
The SC7657 pistons come with standard wrist pins (part number 787-2250-16CP1C) included at no additional cost. Upgraded and ultra-duty wrist pins are also available for those seeking enhanced performance.
Are the SC7657 pistons compatible with high lift camshafts?
Yes, the SC7657 pistons feature deep valve reliefs that accommodate high lift camshafts, making them suitable for performance applications where increased valve lift is required.
What is the weight of the SC7657 pistons?
Each SC7657 piston weighs approximately 288 grams. It's important to consider this weight in relation to your engine's rotating assembly for proper balance and performance.
