JE Pistons
Engine Piston Oil Rail Support Ring
SKU: J001 3935-173
Description
Part #: 3935-173
JE Oil Rail Supports feature a special locking detent to prevent rotation of the oil rail and keep the rail support gap 90 from the pin bore opening on the piston. This JE exclusive feature prevents the rail from rotating in the oil ring groove. Oil Rail Supports prevent the oil ring rails from spiraling off of pistons with short compression distances.
Piston Oil Rail Support, 3.935 in. Min Bore, 3.959 in. Max Bore, 0.173in. Radial Depth, Each.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | JE Pistons |
| Part Number | J001 3935-173 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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