HEMI 6.1L Mahle POWERPAK Forged Piston Set - 4.055 in. Bore (930277655)
Mahle POWERPAK piston kit made from 4032 forged aluminum for the engine combination below. Confirm bore, stroke, rod length, cylinder head and required piston clearance during build planning.
Fits:
HEMI 6.1L engine builds matching the dimensions below.
Also compatible with 6.4L cylinder heads.
Includes:
- 8 forged pistons
- Wrist pins
- Pin retaining clips
- 1.0 / 1.0 / 2.0 mm file-fit performance ring set
Specifications:
-
Part Number: 930277655
-
Engine Platform: HEMI 6.1L
-
Catalog Displacement: 370 ci
-
Bore: 4.055 in.
-
Stroke: 3.580 in.
-
Rod Length: 6.242 in.
-
Compression Height: 1.220 in.
-
Pin Diameter: 0.984 in.
-
Crown Volume: -1.0 cc
-
Piston Weight: 441 g
-
Material: 4032 Forged Aluminum
-
Compression Ratio: 10.1
-
Cylinder Head Chamber Volume: 74 cc
-
Ring Pack: 1.0 / 1.0 / 2.0 mm
-
Ring Fit: File-fit performance ring set
-
Clearance Measurement Point: 0.250 in.
-
Minimum Piston Clearance: 0.0025 in.
-
Maximum Piston Clearance: 0.0033 in.
-
Piston Quantity: 8
-
Top Ring Groove: Hard anodized for extreme-duty applications
-
Condition: New
Part Number
930277655
Engine Platform
HEMI 6.1L
Catalog Displacement
370 ci
Bore
4.055 in.
Stroke
3.580 in.
Rod Length
6.242 in.
Compression Height
1.220 in.
Pin Diameter
0.984 in.
Crown Volume
-1.0 cc
Piston Weight
441 g
Material
4032 Forged Aluminum
Compression Ratio
10.1
Cylinder Head Chamber Volume
74 cc
Ring Pack
1.0 / 1.0 / 2.0 mm
Ring Fit
File-fit performance ring set
Clearance Measurement Point
0.250 in.
Minimum Piston Clearance
0.0025 in.
Maximum Piston Clearance
0.0033 in.
Piston Quantity
8
Top Ring Groove
Hard anodized for extreme-duty applications
Condition
New
Order Processing Time:
Orders are typically processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days depending on the product and customization required.
Shipping Methods:
Standard Shipping (3-7 business days - location dependent)
Express Shipping (1-2 business days- location dependent)
Packaging:
All parts are securely packaged to better prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your OCDiesel account.
USA Shipping:
We ship to the USA! (Except California) Please note that USA shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
Not all products are stocked in-house. To ensure you receive your desired items promptly, please check for availability before placing your order. Some products may be backordered due to high demand or supply chain constraints, which could result in longer delivery times.
We strive to keep our inventory updated regularly, but availability can change quickly. For the most accurate information, contact the OCDiesel customer service team using either this link, or the chat bubble on the bottom right of this page.
Most items are eligible for return within 30 days of shipping, provided they are unused, in original manufacturer packaging, and in resalable condition. All returns & cancellations are subject to restocking and cancellation fees.
Returns must include a Return Authorization Number (RA #) and be shipped with tracking. Return shipping costs are the responsibility of the customer.
Custom/special orders, electronics, and digital goods are final sale—no returns, refunds, or exchanges.
For full return instructions, fee details, and conditions, click here.
