Big Block 24° N/A BB3 Xtra / Head Hunter 4.500 bore, 4.250 stroke, 6.535 rod, 1.120 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5331-STD)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.500 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-STD)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.500 bore, 4.375 stroke, 6.385 rod, 1.220 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5332-STD)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5332-STD |
|
Bore (in) |
4.5 |
|
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 |
14.6 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
.043 x .043 x 3.0 |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
557 |
|
Piston Weight |
648 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Block 24° N/A BB3 Xtra / Head Hunter 4.500 bore, 4.375 stroke, 6.385 rod, 1.220 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5332-STD) |
|---|---|
| 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 BBCRE5332-STD pistons?
For the BBCRE5332-STD pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on specific engine build and application, so always consult with your engine builder for the best fit.
What are the compression ratio implications of using the BBCRE5332-STD pistons?
The BBCRE5332-STD pistons yield a compression ratio of approximately 14.6:1 when used with 118cc heads. This high compression is suitable for racing applications but may require high-octane fuel and careful tuning to avoid detonation.
Do I need to machine the piston ring grooves for the BBCRE5332-STD pistons?
The BBCRE5332-STD pistons come with pre-machined ring grooves designed for the specified ring thickness of .043 x .043 x 3.0. Ensure that the rings are properly seated and that the grooves are clean before installation.
What is the weight of the BBCRE5332-STD pistons, and how does it affect performance?
The BBCRE5332-STD pistons weigh 648 grams each. While this weight is typical for high-performance applications, it may impact engine response and RPM capability. Balancing the rotating assembly is crucial for optimal performance.
What type of gas ports do the BBCRE5332-STD pistons have, and what is their purpose?
The BBCRE5332-STD pistons feature gas ports, which help improve ring seal and reduce blow-by at high RPMs. This is particularly beneficial in high-performance applications where maintaining cylinder pressure is critical.
