Small Block Chevy Dome +5cc All 23 Heads 4.125 Bore,3.625 stroke, 6.000 rod 12.3 to 1 comp with a 64cc head (CP Bullets BC1210-STD)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1210-STD |
|
Bore (in) |
4.125 |
|
Stroke (in) |
3.625 |
|
Rod Length (in) |
6 |
|
Comp Height |
1.187 |
|
Head Type |
All 23 deg |
|
Head CC |
64 |
|
Dome / Dish Height |
0.235 |
|
Dom/Dish CC |
5.6 |
|
Compression Ratio |
12.3 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
388 |
|
Piston Weight |
449 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy Dome +5cc All 23 Heads 4.125 Bore,3.625 stroke, 6.000 rod 12.3 to 1 comp with a 64cc head (CP Bullets BC1210-STD) |
|---|---|
| Brands | CP Carrillo |
| Engine | SB Chevrolet / Holden |
| Make | GM |
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 BC1210-STD pistons with a 64cc head?
The BC1210-STD pistons provide a compression ratio of 12.3:1 when used with a 64cc head. Ensure that your engine is built to handle this level of compression to maintain reliability.
What type of valve reliefs do the BC1210-STD pistons have?
The BC1210-STD pistons feature two valve reliefs, which are designed to accommodate typical camshaft profiles in Small Block Chevy applications. Always verify clearance with your specific setup.
What is the dome height of the BC1210-STD pistons?
The dome height of the BC1210-STD pistons is 0.235 inches. This dome design contributes to the overall compression ratio and should be considered when calculating clearances.
What is the pin size for the BC1210-STD pistons?
The BC1210-STD pistons use a pin size of .927 inches with a length of 2.500 inches. Ensure your conrods are compatible with this pin specification.
What is the weight of the BC1210-STD pistons?
The BC1210-STD pistons weigh 449 grams each. This weight should be factored into your engine's balance and rotating assembly considerations.
