What is the purpose of the chrome plating on these piston rings?

The chrome plating on the top ring is applied to increase its hardness and wear resistance. This helps the ring maintain its seal against the cylinder wall for a longer period, especially under high temperatures and pressures common in engine operation.

Are these rings suitable for all engine rebuilds?

These rings are specifically designed for engines with a 4.320 inch bore and 3.0mm top and second ring grooves. It's crucial to verify these dimensions against your piston and cylinder specifications before purchasing to ensure a proper fit.

What does 'Not CARB approved' mean for this product?

This means the product does not meet the emissions standards set by the California Air Resources Board (CARB). Consequently, it cannot be legally shipped to or used in California.

Mahle OE Piston Ring Set 3030246RB - Chrome

Name: Mahle Rings Rail from 303-0246B 4.320 x 3.0MM application Chrome Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-rail-from-303-0246b-4-320-x-3-0mm-application-chrome-ring-s-t14-47506
Price: 1096.04 USD
Availability: BackOrder

Mahle Rings Rail from 303-0246B 4.320 x 3.0MM application Chrome Ring Set (48 Qty Bulk Pack)

$1096.04

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mahle OE Chrome Ring Set (48 Qty Bulk Pack). Essential for engine rebuilds needing reliable piston sealing.

Key Features

Fits engines with a 4.320 inch bore and 3.0mm ring grooves.
Bulk pack includes 48 individual piston ring sets.
Chrome plating on the top ring enhances durability and wear resistance.
Manufactured to Original Equipment (OE) specifications by Mahle.
Essential for proper engine sealing and performance during rebuilds.

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Product Details

If you're rebuilding the engine in a vehicle that requires a 4.320 inch bore with 3.0mm ring grooves, this bulk pack of Mahle OE chrome piston ring sets is what you need. These rings are a critical part of your engine's sealing system, working with the piston to keep combustion pressure where it belongs and oil out of the combustion chamber. Getting this seal right is key to proper engine performance and longevity.

Mahle is a well-known name in engine components, and this set is built to OE specifications. The chrome plating on the top ring is a notable feature, offering improved durability and resistance to wear, especially in demanding applications. This helps ensure the rings maintain their seal over time and under various operating conditions. This bulk pack contains 48 individual ring sets, making it a practical choice for shops or for engine builders working on multiple projects or high-performance builds where precision and reliability are paramount. The 3.0mm thickness for the top and second rings is a common specification for many larger displacement engines, so double-check your piston and cylinder bore dimensions to ensure compatibility.

When you're deep into an engine rebuild, having high-quality components like these Mahle ring sets on hand can save you time and prevent headaches. Ensure your cylinder walls are properly honed and clean before installation, and always refer to your specific engine's service manual for the correct ring gap and installation procedures. This pack is not CARB approved and cannot be shipped to California.