What does 'file-fit' mean for these piston rings?

File-fit means the end gap of the piston rings is not pre-set. You will need to measure the cylinder bore and then carefully file the ends of the rings to achieve the correct gap specification for your engine build. This allows for precise tuning of ring seal.

What materials are these rings made from?

These piston rings are made from premium steel. Steel is chosen for its strength and ability to handle the high temperatures and pressures found in performance engines.

Are these rings compatible with all 6.4L Hemi engines?

This set is specifically for 6.4L Hemi engines with a 4.100 inch bore. It's important to verify your engine's bore size and piston ring groove dimensions to ensure proper fitment for your specific application.

Manley Piston Ring Set 46131ST-8 for Chrysler Hemi 6.4L

Name: Manley Ring Set Chrysler Hemi 6.4L 4.100in Bore File Fit 1.5mm x 1.5mm x 3mm Premium Steel-Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-ring-set-chrysler-hemi-6-4l-4-100in-bore-file-fit-1-5m-t14-119289
Price: 451.39 USD
Availability: InStock

Manley Ring Set Chrysler Hemi 6.4L 4.100in Bore File Fit 1.5mm x 1.5mm x 3mm Premium Steel-Set of 8

$451.39

Only 4 left in stock

Manley Performance steel piston ring set for Chrysler Hemi 6.4L engines. File fit, 4.100in bore. Set of 8.

Key Features

Fits Chrysler Hemi 6.4L engines with a 4.100 inch bore.
File-fit design allows for custom ring gap setting.
Constructed from premium steel for durability.
Top ring groove: 1.5mm.
Second ring groove: 1.5mm.
Oil ring groove: 3mm.

Secure CheckoutFast Shipping631-982-0042

Product Details

If you're rebuilding the top end of your Chrysler Hemi 6.4L engine, getting the right piston rings is crucial for proper sealing and performance. This set from Manley Performance is designed for a 4.100-inch bore and features a file-fit configuration, meaning you'll need to gap the end rings yourself for a precise fit in your cylinders. This level of adjustability is common when building performance engines where exact tolerances matter.

These rings are constructed from premium steel, chosen for its durability and ability to withstand the heat and pressure inside a performance Hemi. The ring groove dimensions are 1.5mm for the top ring, 1.5mm for the second ring, and 3mm for the oil ring, which are standard sizes for many performance applications. Having the correct ring tension and sealing is key to preventing blow-by, controlling oil consumption, and ensuring your engine makes the power it's supposed to.

Remember that these rings are file-fit, so proper installation requires careful measurement and filing of the ring ends to achieve the correct gap. If you're not comfortable with this process, it's best to have a professional engine builder handle the installation. This set includes enough rings for a complete set of 8 cylinders.