Exterior Components› Body Panels and Components
Remflex
6590 CHEVY BIG BLOCK 396454 113/16INWx17/8IN SQUARE PORT MANIFOLD/HEADER GAS
SKU: R00O 2003
Easy — 1–2 hours
Description
This gasket is suitable for manifold or header applications. It is a direct replacement for Fel-Pro #1410 and comes as a set of two.
Fitment
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Specifications
| Brand | Remflex |
| Part Number | R00O 2003 |
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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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