Big Block 24° N/A BB3 Xtra / Head Hunter 4.625 bore, 4.250 stroke, 6.535 rod, 1.120 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5331-125)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.625 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-125)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.625 bore, 4.375 stroke, 6.385 rod, 1.220 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5332-125)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5332-125 |
|
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 |
14.9 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
1.0 x 1.0 x 3.0mm |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
588 |
|
Piston Weight |
691 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Block 24° N/A BB3 Xtra / Head Hunter 4.625 bore, 4.375 stroke, 6.385 rod, 1.220 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5332-125) |
|---|---|
| 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 BBCRE5332-125 pistons?
For the BBCRE5332-125 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, final clearance should be determined based on the specific application, material expansion rates, and engine operating conditions.
What compression ratio can I expect with the BBCRE5332-125 pistons?
The BBCRE5332-125 pistons provide a compression ratio of approximately 14.9:1 when used with 118cc cylinder heads. This high compression is suitable for naturally aspirated applications, but ensure your fuel quality and tuning can support it.
Are there specific machining requirements for the BBCRE5332-125 pistons?
Yes, the BBCRE5332-125 pistons may require specific machining such as honing of the bore for proper fitment. Additionally, ensure that the piston-to-wall clearance is set correctly and that the ring gaps are adjusted according to your engine's specifications.
What type of rings are included with the BBCRE5332-125 pistons?
The BBCRE5332-125 pistons come with 1.0mm x 1.0mm x 3.0mm rings. These rings are designed for performance applications, providing good sealing and durability under high-stress conditions.
Can the BBCRE5332-125 pistons be used with any Big Block Chev engine?
The BBCRE5332-125 pistons are designed specifically for Big Block Chev engines with a 4.625" bore and 4.375" stroke. Ensure compatibility with your specific engine configuration, including rod length and head type, to achieve optimal performance.
