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BC1102-STD Piston Detail View 4.125 Bore 3.480 Stroke 6.000 Rod

Small Block Chevy Flat Top -6.83cc All 23 Heads 4.125 Bore,3.480 stroke, 6.000 rod 10.1 to 1 comp with a 64cc head (CP Bullets BC1102-STD)

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BC1111-STD High Compression Chevy Piston Detail View

Small Block Chevy Flat Top -6.83cc All 23 Heads 4.125 Bore,3.875 stroke, 6.000 rod 11.1 to 1 comp with a 64cc head (CP Bullets BC1111-STD)

Small Block Chevy Flat Top -6.83cc All 23 Heads 4.125 Bore,3.750 stroke, 6.000 rod 11.1 to 1 comp with a 64cc head (CP Bullets BC1100-STD)

These Pistons are not held in stock in Australia. We ship every Friday from CP Carrillo so please allow up to 2 weeks for delivery to you.
AUD$1,404.55
In stock
SKU
BC1100-STD
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Make

Chevrolet

Engine Type

Small Block

Part Number

BC1100-STD

Bore (in)

4.125

Stroke (in)

3.75

Rod Length (in)

6

Comp Height

1.125

Head Type

All 23 deg

Head CC

64

Dome / Dish Height

FT

Dom/Dish CC

-6.9

Compression Ratio

11.2

Pin

.927 x 2.500

Ring Thickness

1.5 x 1.5 x 3.0mm

VR Depth

-.310 / -.310

Cubic Inch

401

Piston Weight

412

Style

FT

Valve Reliefs

2 VR's

Gas Port

No

More Information
Product Name Small Block Chevy Flat Top -6.83cc All 23 Heads 4.125 Bore,3.750 stroke, 6.000 rod 11.1 to 1 comp with a 64cc head (CP Bullets BC1100-STD)
Brands CP Carrillo
Make GM

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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 compression ratio can I expect with the BC1100-STD pistons?

The BC1100-STD pistons provide a compression ratio of approximately 11.2:1 when used with a 64cc cylinder head. However, actual compression may vary based on the specific engine setup and machining tolerances.

What is the recommended bore clearance for these pistons?

For the BC1100-STD pistons, a typical bore clearance of 0.0030" to 0.0040" is recommended. Always confirm with your engine builder, as clearance may vary based on specific application and intended use.

Do I need to modify my cylinder heads for valve clearance with these pistons?

The BC1100-STD pistons feature two valve reliefs, which should provide adequate clearance for most 23-degree cylinder heads. However, it is essential to check valve-to-piston clearance during assembly to ensure proper fitment.

What is the weight of the BC1100-STD pistons, and how does it affect performance?

The BC1100-STD pistons weigh 412 grams each. While lighter pistons can improve engine response and reduce reciprocating mass, ensure that your rotating assembly is balanced properly to maintain reliability and performance.

What type of rings should I use with the BC1100-STD pistons?

The BC1100-STD pistons are designed to work with 1.5mm x 1.5mm x 3.0mm ring sets. Ensure that the rings are compatible with your engine's application and that proper ring gap settings are followed for optimal performance.