Search for engine

Prev
CP Bullets piston for Small Block Chevy 350 race engine

Small Block Chevy 350 20/30 Shift Bore 4.065 CH 1.250 Flat Top Head - Lefts & Rights (CP Bullets BCR1320-065)

Next
BCR1320-070 performance engine parts for Chevy 350

Small Block Chevy 350 20/30 Shift Bore 4.070 CH 1.250 Flat Top Head - Lefts & Rights (CP Bullets BCR1320-070)

Small Block Chevy 350 20/30 Shift Bore 4.065 CH 1.550 Stroke 3.500 Rod 5.700 Flat Top Head - Lefts & Rights (CP Bullets BCR1350-065)

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$1,740.91
In stock
SKU
BCR1350-065
+ -
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

Small Block Bullet Special Race Series

Part Number

BCR1350-065

Bore (in)

4.065

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

362

Piston Weight

470

Style

FT

Valve Reliefs

2 VR's

Gas Port

Yes

More Information
Product Name Small Block Chevy 350 20/30 Shift Bore 4.065 CH 1.550 Stroke 3.500 Rod 5.700 Flat Top Head - Lefts & Rights (CP Bullets BCR1350-065)
Brands CP Carrillo
Engine B58 - S58
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 BCR1350-065 pistons?

The recommended bore clearance for the BCR1350-065 pistons typically ranges from 0.0020" to 0.0030". However, always consult your engine builder for specific clearance requirements based on your application and machining tolerances.

What compression ratio can I expect with the BCR1350-065 pistons?

The BCR1350-065 pistons provide a compression ratio of approximately 10.2:1 when used with 64cc combustion chamber heads. Ensure that your engine's overall setup, including head gasket thickness and deck height, is considered to achieve the desired compression.

What type of ring gaps should I set for the BCR1350-065 pistons?

For the BCR1350-065 pistons, the ring gaps should be set according to the specific application and intended use. A general guideline is to set the top ring gap at 0.004" to 0.005" per inch of bore diameter, but always verify with your engine builder for optimal performance.

Are the BCR1350-065 pistons suitable for high RPM applications?

Yes, the BCR1350-065 pistons are designed for high-performance applications and can handle high RPMs. However, ensure that your engine is properly balanced and tuned to avoid reliability issues at elevated RPM levels.

What is the weight of the BCR1350-065 pistons, and how does it affect performance?

The BCR1350-065 pistons weigh 470 grams each. Lighter pistons can improve engine response and reduce reciprocating mass, but it's essential to balance them with the rest of the rotating assembly to maintain engine reliability and performance.