MAHLE Performance Gas Nitride Steel Top Compression Ring 4.050in Bore 48-Pack
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$1,367.30
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
This open-stock top compression ring from MAHLE Performance covers 4.050in bore in a .043in axial height. It is built from gas nitrided stainless steel.
Key Features
- Barrel face profile for fast break-in and continued cylinder wall contact as the piston rocks at TDC and BDC
- Gas nitrided stainless steel gives the ring additional surface hardness and scuff resistance, which MAHLE positions above PC479 for high-end power adder work.
- Supplied as a bulk open-stock pack of 48 rings
Product Details
- Brand: MAHLE Performance
- Product type: Top Compression Ring
- Bore diameter: 4.050 in
- Axial height: .043in
- Radial wall thickness: .157 in
- Base material: Gas nitrided stainless steel
- Face coating: GNS
- Position: Upper compression ring (top)
- Pack quantity: 48
- Manufacturer Part Number: 301-1171B
Shipping Height: 3.25
Shipping Length: 5.0
Shipping Width: 5.0