BH57-925-020 Gen3 Dodge Hemi 3.937" bore, 4.080" stroke, 6.125" rod, .866" pin. '03-'08 5.7L head, -10.3cc, 9.25:1 comp. (CP Bullets BH57-925-020)
BH61-1075-025 Gen3 Dodge Hemi 4.080" bore, 4.080" stroke, 6.125" rod, .866" pin. '05-'11 6.1L head, -11.3cc, 10.75:1 comp (CP Bullets BH61-1075-025)
BH61-1075-010 Gen3 Dodge Hemi 4.065" bore, 4.080" stroke, 6.125" rod, .866" pin. '05-'11 6.1L head, -10.6cc, 10.75:1 comp (CP Bullets BH61-1075-010)
For shipping cost -add all the products you would like, then navigate to the shopping cart to calculate shipping quote.
|
Make |
Dodge |
|
Engine Type |
Hemi |
|
Part Number |
BH61-1075-010 |
|
Bore (in) |
4.065 |
|
Stroke (in) |
4.08 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.1 |
|
Head Type |
6.1 Hemi |
|
Head CC |
72.5 |
|
Dome / Dish Height |
-0.09 |
|
Dom/Dish CC |
-10.6 |
|
Compression Ratio |
10.75 |
|
Pin |
.866 x 2.250 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.160 / -.060 |
|
Cubic Inch |
424 |
|
Piston Weight |
439 |
|
Style |
Inv |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | BH61-1075-010 Gen3 Dodge Hemi 4.065" bore, 4.080" stroke, 6.125" rod, .866" pin. '05-'11 6.1L head, -10.6cc, 10.75:1 comp (CP Bullets BH61-1075-010) |
|---|---|
| Brands | CP Carrillo |
| Engine | Hemi V8 |
| Make | Dodge |
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 BH61-1075-010 pistons?
The BH61-1075-010 pistons have a compression ratio of 10.75:1 when used with a 6.1L Hemi engine. Ensure that your engine's setup, including head cc and gasket thickness, aligns with this ratio for optimal performance.
What are the specific machining requirements for installing these pistons?
When installing the BH61-1075-010 pistons, you need to ensure the bore clearance is set correctly, typically around 0.0030" to 0.0040" for forged pistons. Additionally, check that the ring gaps are set according to your engine's intended use, especially if you're running higher RPMs or boost.
What is the weight of the BH61-1075-010 pistons, and how does it affect engine balance?
The BH61-1075-010 pistons weigh 439 grams each. It's crucial to balance the entire rotating assembly, including these pistons, to minimise vibrations and ensure smooth operation at high RPMs.
Can I use these pistons with a different stroke or rod length?
The BH61-1075-010 pistons are designed specifically for a 4.080" stroke and 6.125" rod length in the 6.1L Hemi engine. Using them with different stroke or rod lengths may lead to clearance issues and affect performance.
What type of valve reliefs do the BH61-1075-010 pistons have?
The BH61-1075-010 pistons feature two valve reliefs. Ensure that your cylinder heads are compatible and that the reliefs provide adequate clearance for your camshaft profile to prevent interference.
