Big Block 24° N/A BB3 Xtra / Head Hunter 4.605 bore, 4.375 stroke, 6.385 rod, 1.220 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5332-105)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.610 bore, 4.250 stroke, 6.385 rod, 1.275 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5334-110)
Big Block 24° N/A BB3 Xtra / Head Hunter 4.605 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-105)
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|
Make |
Chevrolet |
|
Engine Type |
Big Block |
|
Part Number |
BBCRE5330-105 |
|
Bore (in) |
4.605 |
|
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 |
14.5 |
|
Pin |
.990 x 2.750 |
|
Ring Thickness |
1.0 x 1.0 x 3.0mm |
|
VR Depth |
-.310 / .100 |
|
Cubic Inch |
583 |
|
Piston Weight |
650 |
|
Style |
Dome |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Big Block 24° N/A BB3 Xtra / Head Hunter 4.605 bore, 4.375 stroke, 6.535 rod, 1.070 CH 46.9cc dome 1mm, 1mm, 3mm rings (CP Bullets BBCRE5330-105) |
|---|---|
| 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 compression ratio for the BBCRE5330-105 pistons?
The BBCRE5330-105 pistons are designed to achieve a compression ratio of 14.5:1 when used with compatible cylinder heads, specifically the BB3 Xtra / Head Hunter with a combustion chamber volume of 118cc.
What are the specific machining requirements for installing these pistons?
When installing the BBCRE5330-105 pistons, ensure that the bore clearance is set correctly according to your engine's specifications. Additionally, the ring gaps must be tailored to your application, considering the intended use and RPM range.
What is the weight of the BBCRE5330-105 pistons, and how does it affect engine balance?
The BBCRE5330-105 pistons weigh 650 grams each. It's important to balance the entire rotating assembly, including these pistons, to minimise vibration and ensure smooth operation at high RPMs.
Do the BBCRE5330-105 pistons require specific pin sizes or modifications?
The BBCRE5330-105 pistons use a pin size of .990 x 2.750 inches. Ensure that your conrods are compatible with this pin size, and check for any necessary modifications to the rod or piston for optimal fitment.
What type of rings are included with the BBCRE5330-105 pistons, and what are their benefits?
The BBCRE5330-105 pistons come with 1.0mm, 1.0mm, and 3.0mm rings. These ring sizes are designed for high-performance applications, providing better sealing and reduced friction, which is crucial for maintaining power and efficiency in a high-compression setup.
