Engines and Components› Cylinder Heads and Components

Moroso

Moroso Spark Plug Indexing Washers - 14mm - Tapered Seat - .010in/.021in/.032in - 10 in Each Size

$34.99

SKU: M00R 71900

In Stock
In Stock
Ships by Aug 8
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

Part #: 71900

Spark Plug Washer - Indexing - 14 mm Tapered Seat - 0.010 in / 0.021 in / 0.032 in Thick - Set of 30

MIA's Description

The Moroso 71900 is a set of spark plug indexing washers designed for 14mm spark plugs with a 5/8 inch hex and a tapered seat. These washers help correct electrode placement, simplifying the task of spark plug indexing. The set includes 30 copper washers in three different thicknesses: 0.010 inch, 0.021 inch, and 0.032 inch.

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

BrandMoroso
Part NumberM00R 71900

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