Big Bock Chevy 588 4.625 Bore 1.220 +46.9cc (CP Bullets BBCRE5319-125)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5319-125 |
|
Bore (in) |
4.625 |
|
Stroke (in) |
4.375 |
|
Rod Length (in) |
6.385 |
|
Comp Height |
1.22 |
|
Head Type |
BB3 Xtra / Head Hunter |
|
Head CC |
118 |
|
Dome / Dish Height |
0.65 |
|
Dom/Dish CC |
46.9 |
|
Compression Ratio |
15.2 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
.043 x .043 x 3.0 |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
588 |
|
Piston Weight |
722 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Bock Chevy 588 4.625 Bore 1.220 +46.9cc (CP Bullets BBCRE5319-125) |
|---|---|
| Brands | CP Carrillo |
| Engine | Big Block Chev |
| 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 bore clearance for the BBCRE5319-125 pistons?
For the BBCRE5319-125 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, always consult with your engine builder to determine the best clearance based on your specific application and operating conditions.
What compression ratio can I expect with these pistons in my Big Block Chevy?
The BBCRE5319-125 pistons provide a compression ratio of approximately 15.2:1 when used with 118cc heads. Ensure that your engine is properly tuned and that you are using high-quality fuel to support this compression level.
What type of ring gaps should I set for the BBCRE5319-125 pistons?
For the BBCRE5319-125 pistons, a common starting point for ring gaps is 0.004" per inch of bore for the top ring and 0.005" per inch of bore for the second ring. Adjustments may be necessary based on your specific application and intended use.
Do I need to machine the piston pin bores for the BBCRE5319-125 pistons?
The piston pin bores on the BBCRE5319-125 pistons are designed to fit standard .990" pins. However, always check for proper fitment and clearances during assembly, as machining may be required depending on your specific setup.
What is the weight of the BBCRE5319-125 pistons and how does it affect my engine build?
The BBCRE5319-125 pistons weigh 722 grams each. This weight can impact your engine's balance and performance, especially at high RPMs. Ensure that your rotating assembly is properly balanced to accommodate the piston weight for optimal performance.
