Advanced — 4+ hours
Description
MIA's Description
The piston has a 4.030-inch bore, a 3.622-inch stock stroke, and a 6.125-inch rod length, contributing to a 6.1L/370 actual engine displacement. The compression height is 1.304 inches, with a piston head volume of +5.00cc.
Fitment
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Specifications
| Brand | JE Pistons |
| Part Number | J001 311964R |
Videos
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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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