Chevy LS 404ci All 15°/L92 Bore 4.010 CH 1.110 Stroke 4.000 Rod 6.125 CR 11 Flat Top Head 68cc (CP Bullets BLSR1142-010)
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|
Make |
Chevrolet |
|
Engine Type |
LS Series |
|
Part Number |
BLSR1142-010 |
|
Bore (in) |
4.01 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.11 |
|
Head Type |
Std 15 deg/ L92 |
|
Head CC |
68 |
|
Dome / Dish Height |
FT |
|
Dom/Dish CC |
-2.7 |
|
Compression Ratio |
11.1 |
|
Pin |
.927 x 2.250 |
|
Ring Thickness |
1.2 x 1.2 x 3.0mm |
|
VR Depth |
-.175 / SP |
|
Cubic Inch |
404 |
|
Piston Weight |
453 |
|
Style |
FT |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
Yes |
| Product Name | Chevy LS 404ci All 15°/L92 Bore 4.010 CH 1.110 Stroke 4.000 Rod 6.125 CR 11 Flat Top Head 68cc (CP Bullets BLSR1142-010) |
|---|---|
| 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 compression ratio for the BLSR1142-010 pistons?
The BLSR1142-010 pistons are designed to achieve a compression ratio of 11.1:1 when used with standard 15° L92 cylinder heads with a 68cc chamber. Ensure that your engine's setup matches these specifications for optimal performance.
What type of valve reliefs do the BLSR1142-010 pistons have?
These pistons feature two valve reliefs, which are designed to accommodate the LS engine's valve geometry. This allows for increased clearance and prevents piston-to-valve contact at higher lift profiles.
What is the weight of the BLSR1142-010 pistons?
The BLSR1142-010 pistons weigh 453 grams each. This weight is suitable for performance applications, but be sure to balance them with the rest of your rotating assembly for optimal engine performance.
What is the pin size and length for the BLSR1142-010 pistons?
The BLSR1142-010 pistons use a pin size of .927 inches and a length of 2.250 inches. Ensure your conrods are compatible with these specifications for proper fitment.
Do the BLSR1142-010 pistons come with gas ports?
Yes, the BLSR1142-010 pistons are equipped with gas ports. This feature helps improve ring seal and reduces the chances of ring flutter, enhancing overall performance in high RPM applications.
