Engines and Components› Camshafts and Valvetrain
Manley Performance
Manley Pontiac 400-428-455 1.770 Race Master Exhaust Valves (Set of 8)
SKU: M004 11355-8
Easy — 1–2 hours
Description
These valves are designed for high-performance applications and are suitable for Pontiac 400, 428, and 455 engines. Manley Performance is a recognized manufacturer of performance and racing valves.
Fitment
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Specifications
| Brand | Manley Performance |
| Part Number | M004 11355-8 |
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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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