Big Block 24° N/A BB3 Xtra / Head Hunter 4.530 bore, 4.375 stroke, 6.385 rod, 1.220 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5332-030)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.560 bore, 4.250 stroke, 6.385 rod, 1.275 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5334-060)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.530 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-030)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5330-030 |
|
Bore (in) |
4.53 |
|
Stroke (in) |
4.375 |
|
Rod Length (in) |
6.535 |
|
Comp Height |
1.07 |
|
Head Type |
BB3 Xtra / Head Hunter |
|
Head CC |
118 |
|
Dome / Dish Height |
0.65 |
|
Dom/Dish CC |
46.9 |
|
Compression Ratio |
14.3 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
.043 x .043 x 3.0 |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
564 |
|
Piston Weight |
623 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Block 24° N/A BB3 Xtra / Head Hunter 4.530 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-030) |
|---|---|
| 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 BBCRE5330-030 pistons?
For the BBCRE5330-030 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, always verify with your engine builder as clearances may vary based on specific engine conditions and intended use.
What compression ratio can I expect with the BBCRE5330-030 pistons?
The BBCRE5330-030 pistons are designed to achieve a compression ratio of approximately 14.3:1 when used with 118cc cylinder heads. Ensure your engine is properly tuned to handle this compression for optimal performance.
Do the BBCRE5330-030 pistons require any specific machining?
Yes, the BBCRE5330-030 pistons may require precise machining for proper fitment, including checking and potentially honing the bore. Additionally, ensure the ring grooves are clean and properly sized for the rings provided.
What type of fuel is recommended for use with the BBCRE5330-030 pistons?
Given the high compression ratio of 14.3:1, it is recommended to use high-octane fuel, such as 98 RON or higher, to prevent detonation and ensure reliable performance.
What is the weight of the BBCRE5330-030 pistons and how does it affect engine balance?
The BBCRE5330-030 pistons weigh 623 grams each. It's important to consider this weight in relation to the entire rotating assembly to maintain proper engine balance. Ensure the crankshaft and conrods are matched accordingly.
