Engines and Components› Cylinder Heads and Components
Manley Performance
Manley BOLTS-SBC BRODIX-12 ST
SKU: M004 42312
Moderate — 2–4 hours
Description
These fasteners are engineered for SB Chevy, Brodix-12, and Pontiac engines. They are a component within the broader category of cylinder head fasteners, crucial for engine assembly and performance.
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 42312 |
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