Engines and Components› Camshafts and Valvetrain

Ferrea Racing

Ferrea Acura C32B 31.05mm 5.455mm 111.6mm 30 Deg Flo +1mm Competition Plus Exhaust Valve - Set of 12

$389.00

SKU: F00K F1561P

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Ferrea Competition Plus Valve F1561P is an exhaust valve designed for extreme duty in Acura NSX C30A and C32B engines. It features a +1mm oversized head (31.05mm diameter), a 5.455mm stem diameter, and a 111.6mm length. Made from aerospace-quality alloys like EV8-Z18, it undergoes a two-step slow forging process and a 48-hour heat treatment for enhanced durability.

Fitment

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Specifications

BrandFerrea Racing
Part NumberF00K F1561P

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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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