Search for engine

Prev
BBC5313-100 piston specifications and dimensions detail view

Big Block Chevy 13.0cc dome 4.600 Bore 4.250 stroke 6.385 rod, 10.9 to 1 with 118cc head (CP Bullets BBC5313-100)

Next
BBC5314-100 piston specifications and dimensions detail view

Big Block Chevy 14.0cc dome 4.600 Bore 4.375 stroke 6.385 rod, 11.7 to 1 with 118cc head (CP Bullets BBC5314-100)

Big Block Chevy 13.60cc Dome 4.155 Bore 3.76 stroke 6.135 rod, 9.5 to 1 with 100cc Closed Chamber head (CP Bullets BBC5108-030)

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$1,572.73
SKU
BBC5108-030
+ -
Add to Wish List Share

Copy Link

AfterPay, Zip, Klana

For shipping cost -add all the products you would like, then navigate to the shopping cart to calculate shipping quote.

Make

Chevrolet

Engine Type

Big Block

Part Number

BBC5108-030

Bore (in)

4.155

Stroke (in)

3.76

Rod Length (in)

6.135

Comp Height

1.765

Head Type

24 C.C.

Head CC

100

Dome / Dish Height

0.175

Dom/Dish CC

15.32

Compression Ratio

9.5

Pin

.990 x 2.750

Ring Thickness

1.5 x 1.5 x 3.0mm

VR Depth

-0.25

Cubic Inch

408

Piston Weight

583

Style

Dome

Valve Reliefs

1 VR with Slant

Gas Port

No

More Information
Product Name Big Block Chevy 13.60cc Dome 4.155 Bore 3.76 stroke 6.135 rod, 9.5 to 1 with 100cc Closed Chamber head (CP Bullets BBC5108-030)
Brands CP Carrillo
Engine Big Block Chev
Make GM

Delivery & Freight

We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.

You can calculate shipping rates inside the shopping cart. After adding all the products you would like, navigate to the cart and click the ESTIMATE SHIPPING & TAX link. .

If you only see the Click and Collect shipping option, it means that your address was not validated correctly.

If you have issues calculating freight, please get in touch. We are happy to help.

Disclaimer:

Product images are for description purposes only. Actual product may vary.

Shipping calculations available at checkout.

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 BBC5108-030 pistons?

For the BBC5108-030 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 it's important to consult with your engine builder for the best fit.

What compression ratio can I expect with these pistons and a 100cc closed chamber head?

These pistons are designed to achieve a compression ratio of 9.5:1 when used with a 100cc closed chamber head. Keep in mind that actual compression may vary based on factors such as head gasket thickness and combustion chamber volume.

What is the weight of the BBC5108-030 pistons, and how does it affect performance?

The BBC5108-030 pistons weigh 583 grams each. While lighter pistons can improve engine response and reduce reciprocating mass, it's essential to balance them with the rest of the rotating assembly to maintain reliability and performance.

Do I need to machine the BBC5108-030 pistons for my application?

Machining may be required for the BBC5108-030 pistons, particularly for achieving the correct bore clearance and ring gaps. Always consult your engine builder to ensure proper fitment and performance.

What type of valve reliefs do the BBC5108-030 pistons have?

The BBC5108-030 pistons feature one valve relief with a slant design. This allows for better clearance with the valves, but it's crucial to check valve-to-piston clearance during assembly, especially at maximum lift.

Other products for your engine