Catalog › Plunger Primer Image 1 of 1 Plunger Primer $22.95 1/8” Plunger Primer used for engine primer installation. Add To Cart Added! 1/8” Plunger Primer used for engine primer installation. You Might Also Like Spark Plugs for Rotax 912 $33.98 Amsoil Gear Lube $24.19 Amsoil Interceptor- Gallon $63.29 1/8" Blue Fuel Line $1.95 1/4" x 1/8" Brass Primer T $7.95