Engines and Components› Pistons and Piston Rings
SEALED POWER
MSTR W/ECN RNGS W/O PSTNS
SKU: S03T MK-1123A
Advanced — 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 | SEALED POWER |
| Part Number | S03T MK-1123A |
Videos
DON'T Use an Oil Filter on a Ford Flathead! Ed Smith Has a Great Reason
Crazy Quirks of a Ford Flathead Rod & Piston! #shorts
Running a #flathead #Ford #v8 with a clear head. #carguy #engine
Modernizing a Flathead its CLEANER and Runs Better! Ed Smith Five Star Engines
1938 to 1953 Ford Flathead V8 Guide - Steve Coppock w #barryt #cpegarage
Another Bad Machinist #flathead #ford #educational
1940 Mercury Flathead V8 Engine, Strong Runner. #flathead #mercury #forsale #hotrod
1940 Ford Flathead V8 Engine
What Does It Sound Like? ARDUN Heads on a Ford Flathead! Steve Coppock w #BarryT #duntov #arkus
Why LAST Series Flathead Ford V8s Are the Best for Rebuilds with Ed Smith
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.
View Full Return Policy