Forged Pistons for Acura/Honda, 89mm, K24A w/ K20A or K24A head, 9:1 ( (CP Pistons SC70453)
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|
Make |
Acura/Honda |
|
Model |
K24 w/K20A/A2/A3 |
|
Part Number |
SC70453 |
|
Cylinders |
4 |
|
Bore (in) |
3.504 |
|
Bore (mm) |
89 |
|
Size |
+2.0mm |
|
Stroke |
99 |
|
Conrod |
152 |
|
Comp Height (in) |
1.181 |
|
Comp Height (mm) |
30 |
|
Dom/Dish CC |
-20.5 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
338 |
|
Pin (mm) |
22 |
|
Rings |
CPN-3504 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
866-2250-20CP1C |
|
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 Acura/Honda, 89mm, K24A w/ K20A or K24A head, 9:1 ( (CP Pistons SC70453) |
|---|---|
| Brands | CP Carrillo |
| Engine | K20 |
| Make | Honda |
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 SC70453 pistons?
The recommended bore clearance for the SC70453 pistons is typically around 0.0015" to 0.0025". However, this can vary based on your specific engine build and operating conditions, so always consult with your engine builder for the best fit.
What type of ring gaps should I use with the SC70453 pistons?
For the SC70453 pistons, the ring gaps should generally be set according to the intended use of the engine. A common starting point is 0.004" per inch of bore for the top ring and slightly larger for the second ring. Adjustments may be necessary based on boost levels and operating temperatures.
Can the SC70453 pistons accommodate high lift camshafts?
Yes, the SC70453 pistons feature deep valve reliefs designed to accommodate high lift camshafts, making them suitable for performance applications where increased valve lift is required.
What is the weight of the SC70453 pistons and how does it affect performance?
The SC70453 pistons weigh 338 grams each. Lighter pistons can improve engine response and reduce reciprocating mass, but it's crucial to balance them with the rest of the rotating assembly to maintain reliability.
Do I need to machine the piston skirts for my specific application?
While the SC70453 pistons are fully CNC machined, you may need to check the skirt clearance and potentially perform additional fitting based on your engine's specific requirements. Always verify with your engine builder to ensure proper fitment.
