Sale

Engines and Components Camshafts and Valvetrain

Supertech

Supertech 6.6mm Stem Manganese Bronze Valve Guide - Single (Drop Ship Only)

$14.78 $11.83 Save $2.95

SKU: S00P GDE-HM66-I

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

Advanced — 4+ hours

Description

The Supertech valve guides are a set of eight, precision-engineered components for Honda K20 engines. Crafted from C67410 Manganese Bronze, these guides are designed for durability and optimal performance. Their snug fit and tight tolerances, achieved through dedicated CNC turning centers, simplify installation.

These valve guides aim to enhance engine efficiency by improving airflow. Users have reported noticeable improvements in engine responsiveness and overall performance after installation, with one noting they made a rebuild much easier and that the difference was felt immediately.

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

BrandSupertech
Part NumberS00P GDE-HM66-I

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