Chevy LS2 Flat top -3.8cc All std 15 deg/ L92 4.125 bore, 4.000 stroke, 6.125 rod 11.3 to 1 Comp with 70cc head (CP Bullets BLS1113-125)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLS1113-125 |
|
Bore (in) |
4.125 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.115 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
70 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-3.8 |
|
Compression Ratio |
11.3 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.200 / SP |
|
Cubic Inch |
428 |
|
Piston Weight |
428 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Chevy LS2 Flat top -3.8cc All std 15 deg/ L92 4.125 bore, 4.000 stroke, 6.125 rod 11.3 to 1 Comp with 70cc head (CP Bullets BLS1113-125) |
|---|---|
| Brands | CP Carrillo |
| Engine | GM / LS |
| Make | Chevrolet, GM, Holden, LS Chev |
Delivery & Freight
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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 is the recommended bore and stroke for the BLS1113-125 pistons?
The BLS1113-125 pistons are designed for a 4.125-inch bore and a 4.000-inch stroke, making them suitable for a 428 cubic inch LS engine setup.
What compression ratio can I expect with these pistons?
These pistons provide a compression ratio of 11.3:1 when used with a 70cc cylinder head, which is ideal for performance applications.
What type of valve reliefs do the BLS1113-125 pistons have?
The BLS1113-125 pistons feature two valve reliefs, which help accommodate the LS engine's valve train while maintaining performance.
What is the pin size and length for the BLS1113-125 pistons?
The BLS1113-125 pistons use a pin size of .927 inches and a pin length of 2.250 inches, which is standard for many LS applications.
What is the weight of the BLS1113-125 pistons?
Each BLS1113-125 piston weighs 428 grams, which is important to consider for balancing the rotating assembly in your engine build.
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