Engines and Components› Engines, Blocks and Components
DARTON
MID Sleeves with Swirl Coolant Technology
SKU: 900-500
Advanced — 4+ hours
Description
Darton's patented MID sleeves feature Swirl Coolant Technology™ to direct coolant flow and maximize heat dissipation in the upper cylinder wall area. The sleeves also come with a phosphate coating for optimal corrosion and rust resistance, which extends the lifespan of the o-rings and resists abrasion from turbulent water flow.
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 | DARTON |
| Part Number | 900-500 |
| Category | Engines and Components |
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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