Chevy LS2 Flat top -2.7cc All std 15 deg/ L92 4.030 bore, 4.000 stroke, 6.125 rod 11.5 to 1 Comp with 65cc head (CP Bullets BLS1111-030)
For shipping cost -add all the products you would like, then navigate to the shopping cart to calculate shipping quote.
|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1111-030 |
|
Bore (in) |
4.03 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.105 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
65 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-2.7 |
|
Compression Ratio |
11.5 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.175 / SP |
|
Cubic Inch |
408 |
|
Piston Weight |
408 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy LS2 Flat top -2.7cc All std 15 deg/ L92 4.030 bore, 4.000 stroke, 6.125 rod 11.5 to 1 Comp with 65cc head (CP Bullets BLS1111-030) |
|---|---|
| Brands | CP Carrillo |
| Engine | GM / LS |
| Make | Chevrolet, GM, Holden, LS Chev |
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 compression ratio for the BLS1111-030 pistons?
The BLS1111-030 pistons are designed for a compression ratio of 11.5:1 when used with a 65cc head. Ensure that your engine's overall assembly, including head gasket thickness and combustion chamber volume, is accounted for to achieve this ratio.
What bore size is compatible with the BLS1111-030 pistons?
The BLS1111-030 pistons are designed for a bore size of 4.030 inches. It's crucial to ensure that your engine block is properly machined to this specification for optimal performance and fitment.
What type of valve reliefs do the BLS1111-030 pistons feature?
The BLS1111-030 pistons come with two valve reliefs, which are essential for preventing piston-to-valve contact in high-performance applications. Make sure your camshaft profile is compatible with these reliefs.
What is the pin size for the BLS1111-030 pistons?
The BLS1111-030 pistons use a pin size of .927 inches with a length of 2.250 inches. Ensure that your connecting rods are compatible with this pin size for proper assembly.
What is the weight of the BLS1111-030 pistons?
The BLS1111-030 pistons weigh approximately 408 grams each. It's important to consider piston weight when balancing the rotating assembly to maintain engine performance and reliability.
