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JE Pistons S100S8-4040-5 Piston Ring Set, 8 Cyl., File Fit, Each.


JE Pistons

Part Number

11/29/2033 8:38 AM
Cyber Monday Price


In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping


No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

JE Pistons S100S8-4040-5 Piston Ring Set, 8 Cyl., File Fit, Each.

ProSeal Ring Set

JE Pistons has been the industry leader in the design, development and manufacturing of forged racing pistons for 60 years. The benefit of that experience, along with the technology and data gathered over the course of those years, has enabled JE to create a product line to compliment our world-class piston designs; JE Pro Seal Pistons Rings. Top teams in NASCAR, ALMS, NHRA, and AMA demand JE Pro Seal Rings for their engines.

JE Pro Seal Rings are available for most racing, street, and powersports applications. JE offers over 2300 ringset and individual part numbers in stock and ready to ship. Dont see what you need JE also offers custom ring manufacturing services.

ProSeal Piston Rings are Sold as MATCHED SETS, the 6th Digit of the Part # Indicates the Number of Rings Included in the Set (i.e. JXC0F4-2953-2 is a set of 4 Rings). Please Order Accordingly.

*Custom Application are also Available

Products specifications

2nd Ring (Heigh/Width/Type)

1 / 16 / 0.191 / IPT



Bore (in)

4.040 in.

Bore (mm)


File Fit





Flat face torsional top ring, taper face D-wall reverse torsional second ring with full seal flex vent style oil ring.

Oil Ring (Heigh/Width/Type)

3 / 16 / 0.187 / CUF

Oil Ring Included


Oil Ring Material

Chrome plated carbon steel

Oil Ring Tension


Oil Ring Thickness

3/16 in.


Sold as a set.

Second Ring Facing Material

Phosphate coated

Second Ring Included


Second Ring Material


Second Ring Thickness

1/16 in.

Top Ring (Heigh/Width/Type)

1 / 16 / 0.190 / DMK

Top Ring Facing Material


Top Ring Included


Top Ring Material

Ductile iron

Top Ring Thickness

1/16 in.

Second Compression Ring Thickness


Top Ring Facing Material

Plasma Moly

Out of Stock Message

Call for Availability

Category Hierarchy

Accessories>Rings>Ring Sets

Oil Ring Thickness


Second Ring Facing Material




Third Ring Facing Material

Carbon Steel

Third Ring Material

Carbon Steel

Top Compression Ring Thickness


Quick and easy

Quick and easy

Super fast shipping, Lowest price I could find anywhere. A+++++++++++++++

Lowest price for my engine bolt set, beat Jeg's and Summit by quite a bit! I will definitely be checking Autoplicity for future needs.

Excellent shop with good prices, rapid delivery, good support, thank you!!!<br>This shop I would recommend for the purchases of auto of repair parts.<br><br>YULIYA.

I build engines for Classic muscle cars and hot rods. Presently assembling chev. SB 383 cu/in. Went shopping for a Name Brand rotating assembly that was complete and ready to install.Shopped several other sites before finding "Autoplicity" Prices were GREAT (best I could find Anywhere), Shipping Very prompt, Shpg. charges Very reeasonable,I will Defenitely use them again!!!

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