Mahle Motorsport GNS Severe Duty 1.5mm Top Ring Set 4.375 in. Bore File Fit
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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
$149.90
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.
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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 Mahle Motorsport gas nitrided steel top ring set covers a 4.375 in. bore and is aimed at severe duty eight-cylinder builds where a standard cast top ring is not enough.
Key Features
- Gas nitrided steel (GNS) top ring construction for severe duty service
- 1.5mm top ring thickness
- File fit: supplied 0.005 in. oversize at 4.380 in. for a 4.375 in. finished bore
- Sold as a top ring set for an eight-cylinder engine
Product Details
- Manufacturer Part Number: 4375GNS-15T
- Brand: Mahle Motorsport
- Finished bore: 4.375 in
- Ring: 1.5mm gas nitrided steel top ring
- Fit type: File fit (+0.005 in.)
- Quantity: Eight-cylinder top ring set
Shipping Height: 4.0
Shipping Length: 6.0
Shipping Width: 5.0