Engines and Components› Camshafts and Valvetrain

Manley Performance

Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 33.5mm Race Flo Intake Valves (Set of 8)

$483.26

SKU: M004 11374-8

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Manley 11374-8 is a set of 8 intake valves for Honda B-Series engines. Constructed from NK-842 Stainless Steel with chrome stems and hard tips for durability, these valves feature swirl-polished underhead areas and machined combustion faces.

Key specifications include a 33.5mm head diameter, 5.48mm stem diameter, and 102.40mm overall length. The valves are designed with a 17° dish top of head and a Pro Flo 22°x5/16” underhead angle radius.

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

BrandManley Performance
Part NumberM004 11374-8

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