Small Block Chevy Flat Top -6cc 20/30 shift 23 Heads 4.045 Bore,3.500 stroke, 6.000 rod 10.2 to 1 comp with a 64cc head - Lefts & Rights (CP Bullets BCR1320-045)
Small Block Chevy Flat Top -6cc 20/30 shift 23 Heads 4.050 Bore,3.500 stroke, 6.000 rod 10.3 to 1 comp with a 64cc head - Lefts & Rights (CP Bullets BCR1320-050)
Small Block Chevy Flat Top -6cc 20/30 shift 23 Heads 4.050 Bore,3.500 stroke, 5.700 rod 10.3 to 1 comp with a 64cc head - Lefts & Rights (CP Bullets BCR1350-050)
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|
Make |
Chevrolet |
|
Engine Type |
Small Block Bullet Special Race Series |
|
Part Number |
BCR1350-050 |
|
Bore (in) |
4.05 |
|
Stroke (in) |
3.5 |
|
Rod Length (in) |
5.7 |
|
Comp Height |
1.55 |
|
Head Type |
All 23 deg heads |
|
Head CC |
64 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-6 |
|
Compression Ratio |
10.2 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.2 x 1.2 x 3.0mm |
|
VR Depth |
-.345 / SP |
|
Cubic Inch |
361 |
|
Piston Weight |
462 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Small Block Chevy Flat Top -6cc 20/30 shift 23 Heads 4.050 Bore,3.500 stroke, 5.700 rod 10.3 to 1 comp with a 64cc head - Lefts & Rights (CP Bullets BCR1350-050) |
|---|---|
| Brands | CP Carrillo |
| 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 BCR1350-050 pistons?
The BCR1350-050 pistons are designed to achieve a compression ratio of approximately 10.2:1 when used with 64cc cylinder heads and a 3.5-inch stroke.
What type of valve reliefs do the BCR1350-050 pistons have?
These pistons feature two valve reliefs, which are designed to accommodate the valve train of typical 23-degree small block Chevy heads.
What is the bore size and stroke compatibility for the BCR1350-050 pistons?
The BCR1350-050 pistons are compatible with a 4.050-inch bore and a 3.500-inch stroke, making them suitable for small block Chevy applications.
What is the weight of the BCR1350-050 pistons?
Each BCR1350-050 piston weighs approximately 462 grams, which is important to consider for balancing the rotating assembly.
What is the pin size for the BCR1350-050 pistons?
The BCR1350-050 pistons use a pin size of .927 inches with a length of 2.500 inches, which is standard for many small block Chevy applications.
