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CP Bullets BBCRE5322-100 high-performance engine block detail view

Big Block Chevy 565ci 4.600 Bore 1.275 CH 14.2:1 CR (CP Bullets BBCRE5322-100)

Big Block Chevy 565ci 4.600 Bore 1.120 CH 14:1 CR (CP Bullets BBCRE5320-100)

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$2,482.73
SKU
BBCRE5320-100
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Make

Chevrolet

Engine Type

Big Block

Part Number

BBCRE5320-100

Bore (in)

4.6

Stroke (in)

4.25

Rod Length (in)

6.535

Comp Height

1.12

Head Type

BB3 Xtra / Head Hunter

Head CC

118

Dome / Dish Height

0.65

Dom/Dish CC

46.9

Compression Ratio

14.1

Pin

.990 x 2.750

Ring Thickness

.043 x .043 x 3.0

VR Depth

-.310 / .100

Cubic Inch

565

Piston Weight

673

Style

Dome

Valve Reliefs

2 VR's

Gas Port

Yes

More Information
Product Name Big Block Chevy 565ci 4.600 Bore 1.120 CH 14:1 CR (CP Bullets BBCRE5320-100)
Brands CP Carrillo
Engine Big Block Chev
Make GM

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If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).

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 BBCRE5320-100 pistons?

For the BBCRE5320-100 pistons, a typical bore clearance of 0.0030" to 0.0035" is recommended. However, this can vary based on the specific application and operating conditions, so always consult with your engine builder for precise specifications.

What compression ratio can I expect with the BBCRE5320-100 pistons?

The BBCRE5320-100 pistons are designed to achieve a compression ratio of 14.1:1 when used with compatible cylinder heads, such as the BB3 Xtra or Head Hunter with a 118cc chamber. Ensure that your engine's overall setup supports this compression for optimal performance.

What is the weight of the BBCRE5320-100 pistons, and how does it affect engine balance?

The BBCRE5320-100 pistons weigh 673 grams each. This weight should be considered when balancing the rotating assembly, as it impacts the overall dynamics of the engine. Proper balancing is crucial for high RPM reliability and performance.

Do the BBCRE5320-100 pistons require any specific machining before installation?

Yes, the BBCRE5320-100 pistons may require specific machining such as bore honing to ensure proper fitment. Additionally, verify that the ring grooves are clean and free of debris before installation to prevent any sealing issues.

What type of fuel is recommended for engines using the BBCRE5320-100 pistons?

Engines using the BBCRE5320-100 pistons, given their high compression ratio, typically require high-octane fuel to prevent detonation. It is advisable to use fuel with an octane rating suitable for your engine's tuning and boost levels.

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