Spi - Spark Plug Indexing Washer 12 Piece Set - SM-01048
Spi
$6.11
$7.95
(You save
$1.84
)
Indexed spark plugs align the open end of the electrode toward the intake port
The hottest flame meets the new fuel charge for a performance gain, increased mileage and plug life
Gold washers- .75 mm
Silver washers- 1.00 mm
Purple washers - 1.25mm
Red washers- 1.60mm
12 Pieces