Engines and Components› Cylinder Heads and Components

FLO-TEK

BBC 375cc Alum Cyl Head Jackel Series Assembled

$1,838.37

SKU: F03S 375-5058

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This is FLOTEK's biggest and most powerful out-of-the-box BBC cylinder head. Designed for racers, it features a 127cc combustion chamber and 435 CFM. It's made from exceptional steel cast with a polycrystalline diamond cut finish. It works well with 540 and 576 cubic inch motors and has a thick deck design and high capacity water jackets for racing applications. It accepts stock pistons, has raised valve cover rails, and the exhaust port location is raised .360".

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

BrandFLO-TEK
Part NumberF03S 375-5058

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