Engines and Components› Engine Bearings
Manley Performance
Manley Performance Pistons-Cust 3.900-4.250
SKU: M004 581400-6
Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Manley Performance |
| Part Number | M004 581400-6 |
Videos
Manley Performance Factory Tour - Pistons, Connecting Rods, Valvetrain Manufacturing | RS Garage
Differences between Manley's Pistons and Rods with Sport Compact Warehouse.
Bottom End Buyers Guide - How to Choose the RIGHT Pistons Rods Bearings Studs Gaskets Cranks Sleeves
Stock vs race pistons: Which is better?
Cast vs. Forged Pistons: Which One is Best for Your Engine?
Which Forged Pistons Are Right For Your Build? | Race Fast Facts
Cast vs Hypereutectic vs Forged Pistons | Whats the Difference?
A Better Way to Install Rods on Pistons
Part 1 of building my supercharged 392 hemi installing mmx drop in pistons and rods
2JZ Rod Unboxing - Real Street Performance
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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